Mostrando entradas con la etiqueta ISS. Mostrar todas las entradas
Mostrando entradas con la etiqueta ISS. Mostrar todas las entradas

jueves, 3 de noviembre de 2016

Kate Rubins’ Space Station Science Scrapbook

As a child, Kate Rubins dreamed of being an astronaut and a scientist. During the past four months aboard the International Space Station, that dream came full circle. She became the first person to sequence DNA in space, among other research during her recent mission, adding to her already impressive experience. She holds a doctorate in molecular biology, and previously led a lab of 14 researchers studying viruses, including Ebola.
Here’s a look back at Rubins in her element, conducting research aboard your orbiting laboratory.

Kate inside Destiny, the U.S. Laboratory Module

Destiny houses the Microgravity Science Glovebox (MSG), in which Kate worked on the Heart Cells experiment.
The U.S. national laboratory, called Destiny, is the primary research laboratory for U.S. payloads, supporting a wide range of experiments and studies contributing to health, safety, and quality of life for people all over the world. 

Swabbing for Surface Samples
Microbes that can cause illness could present problems for current and future long duration space missions. 
Understanding what microbe communities thrive in space habitats could help researchers design antimicrobial technology. Here, Kate is sampling various surfaces of the Kibo module for the Microbe-IV investigation.

Culturing Beating Heart Cells in Space
The Heart Cells investigation uses human skin cells that are induced to become stem cells, which can then differentiate into any type of cell.
Researchers forced the stem cells to grow into human heart cells, which Rubins cultured aboard the space station for one month.

Rubins described seeing the heart cells beat for the first time as “pretty amazing. First of all, there’s a few things that have made me gasp out loud up on board the [space] station. Seeing the planet was one of them, but I gotta say, getting these cells in focus and watching heart cells actually beat has been another pretty big one.”

Innovative Applied Research Experiment from Eli Lilly
The Hard to Wet Surfaces investigation from Eli Lilly, and sponsored by the Center for the Advancement of Science in Space (CASIS), looks at liquid-solid interactions and how certain pharmaceuticals dissolve, which may lead to more potent and effective medicines in space and on Earth. 
Rubins set up vials into which she injected buffer solutions and then set up photography to track how tablets dissolved in the solution in microgravity.

Capturing Dragon
Rubins assisted in the capture of the SpaceX Dragon cargo spacecraft in July. The ninth SpaceX resupply mission delivered more than two thousand pounds of science to the space station. 
Biological samples and additional research were returned on the Dragon spacecraft more than a month later. 

Sliding Science Outside the Station
Science doesn’t just happen inside the space station. External Earth and space science hardware platforms are located at various places along the outside of the orbiting laboratory. 

The Japanese Experiment Module airlock can be used to access the JEM Exposed Facility. Rubins installed the JEM ORU Transfer Interface (JOTI) on the JEM airlock sliding table used to install investigations on the exterior of the orbiting laboratory.

Installing Optical Diagnostic Instrument in the MSG
Rubins installed an optical diagnostic instrument in the Microgravity Science Glovebox (MSG) as part of the Selective Optical Diagnostics Instrument (SODI-DCMIX) investigation. Molecules in fluids and gases constantly move and collide. 

When temperature differences cause that movement, called the Soret effect, scientists can track it by measuring changes in the temperature and movement of mass in the absence of gravity. Because the Soret effect occurs in underground oil reservoirs, the results of this investigation could help us better understand such reservoirs.

The Sequencing of DNA in Space
When Rubins’ expedition began, DNA had never been sequenced in space. Within just a few weeks, she and the Biomolecule Sequencer team had sequenced their one billionth “base” – the unit of DNA - aboard the orbiting laboratory. 


The Biomolecule Sequencer investigation seeks to demonstrate that DNA sequencing in microgravity is possible, and adds to the suite of genomics capabilities aboard the space station.

The MinION™ DNA sequencer from Oxford Nanopore Technologies fits in the palm of a hand.
Credits: Oxford Nanopore Technologies

Studying Fluidic Dynamics with SPHERES
The SPHERES-Slosh investigation examines the way liquids move inside containers in a microgravity environment. The phenomena and mechanics associated with such liquid movement are still not well understood and are very different than our common experiences with a cup of coffee on Earth.


Rockets deliver satellites to space using liquid fuels as a power source, and this investigation plans to improve our understanding of how propellants within rockets behave in order to increase the safety and efficiency of future vehicle designs. Rubins conducted a series of SPHERES-Slosh runs during her mission.

Retrieving Science Samples for Their Return to Earth
Precious science samples like blood, urine and saliva are collected from crew members throughout their missions aboard the orbiting laboratory. 


They are stored in the Minus Eighty-Degree Laboratory Freezer for ISS (MELFI) until they are ready to return to Earth aboard a Soyuz or SpaceX Dragon vehicle.

Measuring Gene Expression of Biological Specimens in Space

Rubins ran several WetLab-2 RNA SmartCycler sessions during her mission.
Our WetLab-2 hardware system is bringing to the space station the technology to measure gene expression of biological specimens in space, and to transmit the results to researchers on Earth at the speed of light. 

Studying the First Expandable Habitat Module on the Space Station
The Bigelow Expandable Activity Module (BEAM) is the first expandable habitat to be installed on the space station. It was expanded on May 28, 2016. 


Expandable habitats are designed to take up less room on a spacecraft, but provide greater volume for living and working in space once expanded. Rubins conducted several evaluations inside BEAM, including air and surface sampling.

Better Breathing in Space and Back on Earth
Airway Monitoring, an investigation from ESA (the European Space Agency), uses the U.S. airlock as a hypobaric facility for performing science. Utilizing the U.S. airlock allows unique opportunities for the study of gravity, ambient pressure interactions, and their effect on the human body. 


This investigation studies the occurrence and indicators of airway inflammation in crew members, using ultra-sensitive gas analyzers to evaluate exhaled air. This could not only help in spaceflight diagnostics, but that also hold applications on earth within diagnostics of similar conditions, for example monitoring of asthma.

Hot Science with Cool Flames
Fire behaves differently in space, where buoyant forces are removed. Studying combustion in microgravity can increase scientists’ fundamental understanding of the process, which could lead to improvement of fire detection and suppression systems in space and on Earth. 

Many combustion experiments are performed in the Combustion Integration Rack (CIR) aboard the space station. Rubins replaced two Multi-user Droplet Combustion Apparatus (MDCA) Igniter Tips as part of the CIR igniter replacement operations.

Though Rubins is back on Earth, science aboard the space station continues, and innovative investigations that seek to benefit humans on Earth and further our exploration of the solar system are ongoing. Follow @ISS_Research to keep up with the science happening aboard your orbiting laboratory. 

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

lunes, 22 de junio de 2015

Inside an MIT researcher’s grand plan to create the personal food computer

Plants grow at the MIT Media Lab. Caleb Harper is launching an open-source movement to share vertical farming insights. (Courtesy Caleb Harper)
Caleb Harper details his plans
at the National Geographic’s
Explorers Symposium.
(Rebecca Hale/National Geographic)
In a Cambridge, Mass. building, under the glow of LED lights, Caleb Harper is working to literally plant the seeds for a movement that could change the way we eat and live.

Harper, the founder of the CityFarm research group at the MIT Media Lab, wants to bring the open source spirit to the nascent field of vertical farming. With knowledge being shared freely, anyone could have access to the world’s best recipe for tomatoes, or whatever plant they want to grow.

“Everyone in the world wants to know more about where our food is coming from and how they’re going to keep getting it,” Harper said. “There is a groundswell of consumers and young innovators that would like to make a big difference. All we need is the tools. My focus is on getting the tools out there.”

This spring Harper made the first prototype for his “personal food computer,” which is essentially a climate-controlled box. It’s small enough to sit on a coffee table, and includes an array of sensors to monitor conditions, such as carbon dioxide levels, humidity, light intensity and pH. There’s no soil. The plants get their nutrients through a mist which has crucial minerals added in.

There’s no soil. The roots absorb nutrients from a mist.
(Courtesy Caleb Harper)
By using digital technologies to identify and recreate the optimal conditions for a plant, his platform for making climate recipes has the potential to one day provide optimized foods around the world, no matter the season.

Harper plans to donate the personal food computers to select schools this September, when he formally launches his open agriculture movement.

Harper isn’t the only one interested in aeroponics, in which a plant’s roots dangle in open air, receiving nutrients through a mist. AeroFarms is spending $39 million to convert an old Newark steel factory into an aeroponics complex for vertical farming. NASA has used aeroponics to grow plants on the International Space Station. You can find plenty of examples on Kickstarter and YouTube of devices made for aeroponic farming.

Vertical farming is appealing because you can grow in urban areas, which cuts the carbon footprint of transporting crops. Foods also arrive fresher given the shorter trips to consumers’ tables. Because vertical farming is done indoors, there’s safety from droughts and climate change. Vertical farmers can also deliver crops with less water. One major question mark is the amount of energy currently needed to grow foods with aeroponics, vs. traditional methods.

What’s special about Harper is his commitment to open source, in which ideas are shared openly among all members of a community. I caught up with Harper while he visited Washington, D.C. for National Geographic’s Explorers Symposium.



ORIGINAL: Washington Post
June 17, 2015 

miércoles, 19 de noviembre de 2014

3-D Printer Powered Up on the International Space Station

NASA astronaut Butch Wilmore installs a 3-D Printer in the Microgravity Science Glovebox on the International Space Station. Image Credit: NASA-TV

Darian Bryant, left, and Melissa Hopper, stowage engineers with the Payload Operations Integration Center at NASA's Marshall Space Flight Center in Huntsville, Alabama, work with NASA astronautBarry "Butch" Wilmore to calibrate the first 3-D Printer flown on the International Space Station. Image Credit: NASA/MSFC/Emmett Given

Today, NASA took a big step toward changing the way we plan for long-duration space voyages when astronaut Barry “Butch” Wilmore successfully installed and prepared the first 3-D printer for upcoming manufacturing operations on the International Space Station.

"This printer is a critical first step for in-space manufacturing," said Jason Crusan, director of NASA's Advanced Exploration Systems Division at NASA Headquarters in Washington. "Additive manufacturing with 3-D printers will allow space crews to be less reliant on supply missions from Earth and lead to sustainable, self-reliant exploration missions where resupply is difficult and costly. The space station provides the optimal place to perfect this technology in microgravity."

Wilmore installed the printer in the station’s Microgravity Science Glovebox and started the printer, which extruded plastic to form the first of a series of calibration coupons, a small plastic sample about the size of a postage stamp. After calibration of the printer is complete and verified, the printer will make the first NASA-designed 3-D printed object in space. The goal of the 3-D Printing in Zero-G Technology Demonstration on the space station is to show that additive manufacturing can make a variety of parts and tools in space. The 3-D printerheats a relatively low-temperature plastic filament to build parts layer on top of layer in designs supplied to the machine.

Before the printer left Earth in September 2014 on SpaceX’s fourth commercial cargo resupply mission, engineers loaded the first files to be printed. These initial parts -- primarily test coupons -- will be returned to Earth for detailed analysis and comparison to identical ground control samples made earlier this year prior to launch with the same printer while it was at NASA’s Marshall Space Flight Center in Huntsville, Alabama.

"The goal of the first phase of printing is to verify that the 3-D printing process works the same in microgravity as it does on the ground," said Niki Werkheiser, NASA's 3-D printer project manager at Marshall. "Once we confirm that the process works, we will move to the second phase of printing which focuses more on the design and utilization of the parts we print, which will ultimately lead to establishing an on-demand machine shop in space."


Niki Werkheiser, project manager for the NASA's 3-D Printing investigation at the Marshall Space Flight Center, explains the calibration and check-out process during a recent episode of Space Station Live on NASA-TV. (Video: NASA)


NASA contracted Made In Space, Inc. at NASA’s Ames Research Center in Moffett Field, California, to design and build the printer. Going forward, Made In Space engineers will use NASA-provided software and work with controllers at NASA’s Payload Operations Integration Center (POIC) in Huntsville to send commands directly to the printer from the ground. As the first objects are printed, NASA and Made In Space engineers will monitor printing via downlinked images and videos. The majority of the printing process is controlled from the ground to limit crew time required for operations.

"We’re approaching the most exciting moment of this experiment after years of intensive work, which dates back to Made In Space's first microgravity testing with NASA's Flight Opportunities Program in 2011," said Aaron Kemmer, CEO of Made In Space, Inc. “Our team is on standby to send the command to print the first object in space. We are taking everything we are learning on the space station and using it to design an even more elaborate 3-D printer, which will be available for anyone to use.”

That printer is scheduled to be launched to the station next year and will be available to meet manufacturing needs of both NASA and commercial users.

NASA invited students to propose what they would print in space as part of a Future Engineers competition. Students can create and submit a digital 3-D model of a tool they think astronauts need in space. The winning student will watch from the POIC alongside the operations control team as their design is printed in space. The deadline for entry is Dec. 15.

Learn more about additive manufacturing at NASA's 3-D printing website or follow updates on Twitter at @NASA3DPrinter.



Joshua Buck
Headquarters, Washington
202-358-1100

Tracy McMahan
Marshall Space Flight Center, Huntsville, Ala.
256-544-0034

Dan Huot
Johnson Space Center
281-483-5111

ORIGINAL: NASA
By Bill Hubscher International Space Station Program Science Office
November 17, 2014

jueves, 25 de abril de 2013

15-Year-Old May Be on Her Way to Mars

ORIGINAL: Mashable


It was nothing short of fate when Abigail Harrison spotted her hero, astronaut Luca Parmitano, in an airport security line. 

At just 15 years old, Harrison knows what she wants to do with her life: become the first astronaut on Mars in 2030. And the ever-so-keen Harrison — a well-spoken Minnesota high school student who has a confidence that doesn't come naturally to most teenagers — knew picking Parmitano's brain would bring her one step closer. 

"He had an hour before flight, and we talked for the whole time," she tells Mashable. "He was really interested in my dream and wanted to stay in touch." 

Parmitano lived up to his promise, and now the two are undertaking an unprecedented project. When Parmitano travels to the International Space Station on board a Russian Soyuz spacecraft this May, Harrison will serve as his Earth-based liaison. 

Each day, Parmitano will correspond via email with Harrison, who will in turn distribute his photos, video and research to the world on her blog. Their hope is to continue the buzz that Twitter's favorite astronaut Chris Hadfield, who returns to Earth in May, has generated while on the ISS. 

"Commander Hadfield has done such amazing job of getting the public interested in the ISS, and we don't want that to go away when he comes back down," she says. "Luca is going to carry on the flag." 

Abigail Harrison video chats with astronaut Luca Parmitano. Image courtesy of Abigail/Nicole Harrison 
Harrison, who operates under the online persona "Astronaut Abby," has already amassed an impressive following. \Harrison's niche celebrity, though, wasn't her original intention. It all started with an eighth-grade project she was doing about the ISS. 

"My mom helped me set up Twitter to get in touch with NASA employees for quotes," she says. "So I started sharing pictures of projects I was working on and writing about my dreams." 

NASA and other influencers in the space community took notice and helped fill her plate with projects. Harrison now travels around the country promoting space and STEM careers in schools. She's introducing a pen-pal program in which she'll send readers personal emails about her experiences. This August, she will speak at a convention for the Mars Society about her No. 1 love: the importance of putting a human on the Red Planet. 

"I was raised on a diet of sci-fi and Star Wars, but the science drew me," Harrison says. 

"I was raised on a diet of sci-fi and Star Wars, but the science drew me," Harrison says. "The curiosity of the unknown is why I'm focused on Mars. There is so much we can learn; it's just an outstanding amount of knowledge waiting there for us to discover." 


Even as she manages these projects, her public-facing appearance and an upcoming trip to Russia for Parmitano's launch, Harrison is still a kid. She's studying hard to get into her college of choice — she plans to double major in biology and geology — and has social plans for the summer. 

So she relies heavily on her mother, Nicole, who says she knew her daughter's space aspiration was not merely a childhood fascination. 

"I told her [...] if she was serious she needs to research what it would take because it's a very hard career to attain," Mrs. Harrison tells Mashable via email. 

"She came back a week later with two sheets of paper and said, 'Mom there are two ways to become an astronaut: civilian and military. Here are the two paths and this is what I am going to do to make my dream happen.'" 

Today, Mrs. Harrison helps her daughter with article ideas, editing and publishing her posts, and assisting her on social outreach to make sure her news is getting out in a timely manner. Perhaps most importantly, Mrs. Harrison reviews and monitors all of her daughter's communications. 

"Reaching out to budding scientists and kids around the globe is what really drives Abby to chase her dreams. I've been so inspired by her as she continues to achieve her goals," Mrs. Harrison says. "At the rate she is going, I have no doubt she'll be the first astronaut on Mars." 

domingo, 28 de octubre de 2012

SpaceX's Dragon Departs ISS

ORIGINAL: SpaceX

Dragon is a free-flying, reusable spacecraft developed by SpaceX under NASA's Commercial Orbital Transportation Services (COTS) program. Initiated internally by SpaceX in 2005, the Dragon spacecraft is made up of a pressurized capsule and unpressurized trunk used for Earth to LEO transport of pressurized cargo, unpressurized cargo, and/or crew members.

In May 2012, SpaceX made history when its Dragon spacecraft became the first commercial vehicle in history to successfully attach to the International Space Station. Previously only four governments -- the United States, Russia, Japan and the European Space Agency -- had achieved this challenging technical feat.

SpaceX's Dragon spacecraft on the barge after being retrieved from the Pacific Ocean after splashdown, May 31, 2012. Photo: SpaceX



SpaceX Dragon departed the International Space Station on October 28, 2012 at 6:29AM PT. 
The only craft capable of bringing a significant amount of cargo to and from the station, Dragon departed with 1,673 pounds of return cargo. This is the return flight of the CRS-1 mission, the first of at least 12 official cargo resupply missions SpaceX will conduct for NASA. (Video sped up 15x.)

domingo, 7 de octubre de 2012

Space X/Dragon Heads to ISS

ORIGINAL: NASA

The historic launch of the first commercial cargo ship to the International Space Station marks the return of America's capability to independently resupply the orbiting laboratory.

viernes, 25 de mayo de 2012

ISS Welcomes SpaceX Dragon — First Private Spacecraft at Station

ORIGINAL: Wired
May 25, 2012 | 12:59 pm | 

Photo: NASA
The SpaceX Dragon spacecraft successfully berthed with the International Space Station this morning after a long overnight approach including several unplanned maneuvers. The crew at SpaceX headquarters in Hawthorne, California, concluded a long night of flight demonstrations and troubleshooting by watching astronaut Don Pettit control the station’s robotic arm and grapple the Dragon at 6:56 a.m. PDT.

“Looks like we’ve got a Dragon by the tail,” Pettit said from the station’s Cupola module once the capture was made.

Pettit’s successful capture of the Dragon was greeted by cheers at both SpaceX’s Hawthorne headquarters and NASA’s mission control in Houston. For both SpaceX and NASA the capture moment marks the beginning of a shift in how cargo will be delivered to and from the space station, with the eventual goal of changing how manned flight itself is done to low Earth orbit.

But Dragon’s overnight approach was not without hiccups, demonstrating the true test-flight nature of the mission. A problem with the devices used to guide the Dragon as it approached the station forced an initial retreat. In the end there were a handful of changes made to the initial flight plan, but at 6:49 a.m. PDT, the Dragon sat just 10 meters (32 feet) from the ISS when NASA flight director Holly Ridings gave the command SpaceX had been waiting years to hear: “go for capture.”



Early Friday morning the SpaceX team in Hawthorne completed the approach initiation burn of the Dragon’s Draco thrusters to move the spacecraft roughly 1,000 meters to a point where it could change its alignment relative to the station before performing the first series of demonstration maneuvers close to the ISS. The Dragon spacecraft could be seen on Earth by its flashing strobe light against the night sky.

Once in place at 350 meters, Dragon completed a 180-degree yaw rotation to align itself, and then another short burn was performed to move to the 250-meter point where the demonstrations would begin.

At 2:29 a.m. PDT, the SpaceX team confirmed Dragon was holding at 250 meters (820 feet), but Andre Kuipers, the Dutch astronaut on board the station, noticed the spacecraft was slightly forward of where it was expected to be. NASA engineers in Houston said the position was acceptable.
Sketch of the demonstration maneuvers planned for Dragon near the ISS. Image: NASA 
As the ISS and Dragon passed in and out of sunlight orbiting the Earth every 90 minutes, the teams in Houston and Hawthorne prepared for what has long been considered the most challenging and critical part of the mission, demonstrating Dragon can make several different maneuvers in close range to the ISS, with commands being sent from both the ground and from the astronauts on the station.

Just before 3:00 a.m. PDT, with a short burst of the thrusters, Dragon again began approaching the ISS. Minutes later, with the Dragon 220 meters from the station, astronaut Kuipers sent a command via the UHF communications link and Dragon aborted its approach as expected and returned to the 250 meter hold position. Test one was complete.

Kuipers planned to send a command for Dragon to hold at 235 meters, but problems with Dragon’s on-board thermal camera used for the rendezvous with the ISS kept it at the 250 meter point. After a few minutes the test resumed and Kuipers issued Dragon a hold command at 235 meters, but it happened a bit earlier than planned.

Over the next half hour or so, the teams in Hawthorne and Houston were busy evaluating the data from the on-board sensors to make sure both the station and Dragon agreed on their relative positions before moving any closer, particularly inside the simply named “Keep Out Sphere” that surrounds the ISS at 200 meters.

As time progressed, some questions were raised from the data being analyzed from Dragon’s thermal image sensors and the on-board LIDAR (light detection and ranging) sensors. The two different devices are used to independently measure the distance between the two spacecraft. This information is then used by Dragon’s guidance system as it approaches the ISS. The data provided by the thermal cameras was causing the engineers to further evaluate the sensor.

Dragon was sent to an unplanned hold position at 200 meters in hopes of giving the thermal sensors a chance to obtain better data on the position of Dragon relative to the ISS.
Dragon at 30 meters from the station. Photo: NASA
By 4:20 a.m. PDT Dragon was once again on the move, this time to a position 150 meters from the station. After checking the sensors again, Dragon was cleared to fly to the next hold point at 30 meters. But less than 20 minutes later Dragon was held at 78 meters as SpaceX made some changes to the spacecraft’s LIDAR equipment. At 5:21 a.m. PDT the approach was resumed but just four minutes later SpaceX issued a retreat command, moving Dragon away from the ISS.

Dragon returned to 78 meters while a problem with the LIDAR was analyzed. It turns out the laser used by the LIDAR was receiving stray reflections from the Japanese Kibo laboratory on the station. Over the course of the next half hour, SpaceX engineers analyzed how to resolve the problem with the stray LIDAR signals, eventually deciding to narrow the view of the LIDAR. Essentially they put blinders on the sensors so they could only see straight ahead, where the Dragon was set to be berthed with the station.

Eventually Dragon was given the go-ahead to proceed to the 30-meter point, and then to the 10-meter location where it would be captured by the station’s robotic arm. After rescheduling the planed grapple a few times during the morning, the go-ahead was given for a capture at 7:02 a.m., which would take place in the dark as the two spacecraft passed over Australia. Dragon took roughly 20 minutes to fly the final 20 meters to its final hold position.


The station's robotic Canada arm approaches Dragon. Photo: NASA

With Dragon in place at 10 meters, NASA’s Holly Ridings sat at her flight director desk in Houston with a purple stuffed dragon toy on the console above her. She anxiously twirled her pen in her hand as she told astronaut Pettit that Dragon was operating on a single LIDAR and should that one fail, the spacecraft would abort.

But in the final minutes, everything went well as Pettit maneuvered the arm towards Dragon. As the end of the arm inched towards the capsule, lights from the ISS bathed Dragon in an orange glow. A few minutes ahead of schedule at 6:56 a.m. PDT, capture was confirmed by NASA, marking the first time a private spacecraft was attached to the International Space Station.

The capture occurred 3 days, 6 hours, 11 minutes and 23 seconds after the Falcon 9 had lifted off from Launch Complex 40 at Cape Canaveral Tuesday morning. After another hour and a few reconfigurations of Dragon the robotic arm slowly pulled the capsule towards the station and at 8:52 a.m. PDT NASA confirmed Dragon was firmly attached to the station itself and the robotic arm was no longer holding it in place. After tightening the 16 bolts attaching Dragon to the station’s Harmony module, the ISS officially had its first private spacecraft visitor.

Dragon berthed to the Harmony module on the ISS. Photo: NASA
There are several more steps before the hatch between the ISS and Dragon will be opened early Saturday. Once opened, the crew on board the station will spend several days unpacking the 1,014 pounds (460 kilograms) of cargo on board Dragon. Once empty, the crew will load up Dragon with 1,367 (620 kilograms) of cargo before the spacecraft is released from the station and returns to earth with a splashdown in the Pacific Ocean on May 31.


jueves, 19 de enero de 2012

La ISS sobrevuela una noche tormentosa en África (con la Vía Láctea)

ORIGINAL: NASA

Este video fue tomado por la tripulación de la Expedición 30 a bordo de la Estación Espacial Internacional. La secuencia de imágenes fue tomada a partir del 29 de diciembre 2011 20:55:05-21:14:09 GMT, en un paso más sobre África Central, cerca al sureste de Nígeria, al sur del Océano Índico, al sureste de Madagascar. El paso completo es el SurÁfrica hasta el océano, centrándose en los relámpagos de las tormentas locales y de la Vía Láctea que se levanta sobre el horizonte.

La Vía Láctea puede ser visto como una banda borrosa de luz blanca al comienzo del vídeo. El paso continúa hacia el sureste hacia el Canal de Mozambique y Madagascar. El cometa Lovejoy se puede ver muy ligeramente, cerca de la Vía Láctea. El paso termina cuando el sol se eleva sobre el océano oscuro.

Video cortesía del Laboratorio de Ciencia y Análisis de Imágenes, el Centro Espacial Johnson de la NASA

A través del portal de Fotografías de Astronautas de la Tierra