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More Posts from Thehkr and Others

5 years ago

Women in Exploration: From Human Computers to All-Woman Spacewalks

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Since the 19th century, women have been making strides in areas like coding, computing, programming and space travel, despite the challenges they have faced. Sally Ride joined NASA in 1983 and five years later she became the first female American astronaut. Ride’s accomplishments paved the way for the dozens of other women who became astronauts, and the hundreds of thousands more who pursued careers in science and technology. Just last week, we celebrated our very first #AllWomanSpacewalk with astronauts Christina Koch and Jessica Meir.

Here are just a couple of examples of pioneers who brought us to where we are today:

The Conquest of the Sound Barrier

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Pearl Young was hired in 1922 by the National Advisory Committee for Aeronautics (NACA), NASA’s predecessor organization, to work at its Langley site in support in instrumentation, as one of the first women hired by the new agency. Women were also involved with the NACA at the Muroc site in California (now Armstrong Flight Research Center) to support flight research on advanced, high-speed aircraft. These women worked on the X-1 project, which became the first airplane to fly faster than the speed of sound. 

Young was the first woman hired as a technical employee and the second female physicist working for the federal government.

The Human Computers of Langley

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The NACA hired five women in 1935 to form its first “computer pool”, because they were hardworking, “meticulous” and inexpensive. After the United States entered World War II, the NACA began actively recruiting similar types to meet the workload. These women did all the mathematical calculations – by hand – that desktop and mainframe computers do today.

Computers played a role in major projects ranging from World War II aircraft testing to transonic and supersonic flight research and the early space program. Women working as computers at Langley found that the job offered both challenges and opportunities. With limited options for promotion, computers had to prove that women could successfully do the work and then seek out their own opportunities for advancement.

Revolutionizing X-ray Astronomy

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Marjorie Townsend was blazing trails from a very young age. She started college at age 15 and became the first woman to earn an engineering degree from the George Washington University when she graduated in 1951. At NASA, she became the first female spacecraft project manager, overseeing the development and 1970 launch of the UHURU satellite. The first satellite dedicated to x-ray astronomy, UHURU detected, surveyed and mapped celestial X-ray sources and gamma-ray emissions.

Women of Apollo

NASA’s mission to land a human on the Moon for the very first time took hundreds of thousands workers. These are some of the stories of the women who made our recent #Apollo50th anniversary possible:

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• Margaret Hamilton led a NASA team of software engineers at the Massachusetts Institute of Technology and helped develop the flight software for NASA’s Apollo missions. She also coined the term “software engineering.” Her team’s groundbreaking work was perfect; there were no software glitches or bugs during the crewed Apollo missions. 

• JoAnn Morgan was the only woman working in Mission Control when the Apollo 11 mission launched. She later accomplished many NASA “firsts” for women:  NASA winner of a Sloan Fellowship, division chief, senior executive at the Kennedy Space Center and director of Safety and Mission Assurance at the agency.

• Judy Sullivan, was the first female engineer in the agency’s Spacecraft Operations organization, was the lead engineer for health and safety for Apollo 11, and the only woman helping Neil Armstrong suit up for flight.

Hidden Figures

Author Margot Lee Shetterly’s book – and subsequent movie – Hidden Figures, highlighted African-American women who provided instrumental support to the Apollo program, all behind the scenes.

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• An alumna of the Langley computing pool, Mary Jackson was hired as the agency’s first African-American female engineer in 1958. She specialized in boundary layer effects on aerospace vehicles at supersonic speeds. 

• An extraordinarily gifted student, Katherine Johnson skipped several grades and attended high school at age 13 on the campus of a historically black college. Johnson calculated trajectories, launch windows and emergency backup return paths for many flights, including Apollo 11.

• Christine Darden served as a “computress” for eight years until she approached her supervisor to ask why men, with the same educational background as her (a master of science in applied mathematics), were being hired as engineers. Impressed by her skills, her supervisor transferred her to the engineering section, where she was one of few female aerospace engineers at NASA Langley during that time.

Lovelace’s Woman in Space Program

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Geraldyn “Jerrie” Cobb was the among dozens of women recruited in 1960 by Dr. William Randolph “Randy” Lovelace II to undergo the same physical testing regimen used to help select NASA’s first astronauts as part of his privately funded Woman in Space Program.

Ultimately, thirteen women passed the same physical examinations that the Lovelace Foundation had developed for NASA’s astronaut selection process. They were: Jerrie Cobb, Myrtle “K” Cagle, Jan Dietrich, Marion Dietrich, Wally Funk, Jean Hixson, Irene Leverton, Sarah Gorelick, Jane B. Hart, Rhea Hurrle, Jerri Sloan, Gene Nora Stumbough, and Bernice Trimble Steadman. Though they were never officially affiliated with NASA, the media gave these women the unofficial nicknames “Fellow Lady Astronaut Trainees” and the “Mercury Thirteen.”

The First Woman on the Moon

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The early space program inspired a generation of scientists and engineers. Now, as we embark on our Artemis program to return humanity to the lunar surface by 2024, we have the opportunity to inspire a whole new generation. The prospect of sending the first woman to the Moon is an opportunity to influence the next age of women explorers and achievers.

This material was adapted from a paper written by Shanessa Jackson (Stellar Solutions, Inc.), Dr. Patricia Knezek (NASA), Mrs. Denise Silimon-Hill (Stellar Solutions), and Ms. Alexandra Cross (Stellar Solutions) and submitted to the 2019 International Astronautical Congress (IAC). For more information about IAC and how you can get involved, click here.

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

5 years ago
The Space Shuttle Challenger Landed #OTD In 1983.

The Space Shuttle Challenger landed #OTD in 1983.

Here are astronauts Richard Truly & Guion Bluford of Space Transport System 8 (STS-8) grabbing some shut-eye before the wrap up of their mission. This mission had: 

The first African American, Guion Bluford, to fly in space

The first night launch and landing during the Space Shuttle Program

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

5 years ago

On Top of The World – Literally

What’s one perk about applying to #BeAnAstronaut? You’re one step closer to being on top of the world.

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Part of the job of a NASA astronaut is a task called spacewalking. Spacewalking refers to any time an astronaut gets out of a vehicle while in space; it is performed for many reasons such as completing repairs outside the International Space Station, conducting science experiments and testing new equipment. 

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Spacewalking can last anywhere from five to eight hours, and for that reason, astronauts’ spacesuits are more like mini-spacecraft than uniforms! Inside spacesuits, astronauts have the oxygen they need to breathe, water to drink and a bathroom! 

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Spacesuits also protect astronauts from the extreme environment of space. In Earth orbit, conditions can be as cold as minus 250 degrees Fahrenheit. In the sunlight, they can be as hot as 250 degrees. A spacesuit protects astronauts from those extreme temperatures.

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To stay safe during spacewalks, astronauts are tethered to the International Space Station. The tethers, like ropes, are hooked to the astronaut and the space station – ensuring the astronaut does not float away into space. 

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Spacewalking can be a demanding task. Astronauts can burn anywhere from ~1500-2500 calories during one full assignment. That’s about equal to running 2/3 of a marathon. 

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Does spacewalking sound like something you’d be interested in? If so, you might want to APPLY to #BeAnAstronaut! Applications are open until March 31. Don’t miss your chance to! 

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Want to learn more about what it takes to be an astronaut? Or, maybe you just want more epic images. Either way, check out nasa.gov/astronauts for all your NASA astronaut needs!

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

4 years ago
NASA Spotlight: Astronaut Soichi Noguchi

NASA Spotlight: Astronaut Soichi Noguchi

Soichi Noguchi was selected as an astronaut with the Japan Aerospace Exploration Agency in 1996. A native of Yokohama, Kanagawa, he is currently a mission specialist for NASA’s SpaceX Crew-1 launch taking flight to the International Space Station on Nov. 14. Soichi will be the first international crewmember on Crew Dragon and the first international partner astronaut to fly aboard three types of orbital spacecraft – the U.S. space shuttle, the Russian Soyuz, and now the SpaceX Crew Dragon! Talk about impressive. He received a B.S. in Aeronautical Engineering in 1989, master’s degree in Aeronautical Engineering in 1991, Doctor of Philosophy in Advanced Interdisciplinary Studies in 2020, all from the University of Tokyo.

Soichi took time from preparing for his historic mission to answer questions about his life and career: 

You recently earned a doctorate in philosophy. What made you do it?

After my second flight, I started this research about your sensory system in zero gravity. I used a my own personal video, which I took during my last two flights at the International Space Station. I had a lot of interesting discussions amongst young professionals and students at the University of Tokyo about the research. It was a fun experience – but I would not do it again!

Space is a risky business. Why do it?

Space IS definitely a risky business. But the reward is higher than the risk so that’s why we take it.

Do you have a message for boys and girls in Japan who are interested in science and engineering?

Three words: Space. Is. Waiting.

NASA Spotlight: Astronaut Soichi Noguchi

Aside from mission objectives and tasks, what’s a personal goal for this mission?

We have a lot of interesting missions to do, but my personal goal is to return home with lots of fun stories.

NASA Spotlight: Astronaut Soichi Noguchi

What was it like to get the phone call to become an astronaut?

 It was 25 years ago, but I still remember the voice vividly. I got a call from Dr. Mamoru Mohri, the very first JAXA astronaut, and he said “Welcome to the Astronaut Corps.” When I got the call to be part of the Crew-1 mission, I was a lot less nervous than when I was assigned to my first mission, but the excitement remains the same.

Can you describe your crew mate Mike Hopkins in one sentence?

He is a natural leader that takes care of the team really well, and he’s fun to play around with.

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Star Trek or Star Wars?

Star Wars… just because!

NASA Spotlight: Astronaut Soichi Noguchi

Can you share your favorite photo or video that you took in space?

My favorite photo is Mount Fuji because I see the mountain almost every day when I was a child. It’s definitely breathtaking to see Mount Fuji from space.

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What personal items did you decide to pack for launch and why?

I have lots of family photos, and I would put it inside my sleep station. Definitely one of the most challenging things about spaceflight is not experiencing zero gravity, not the rocket, but time away from family.

How would you describe spacewalking outside the space station?

It’s an excursion. The view of the Earth is just breathtaking because you are just one glass away from the vacuum of space. There’s nothing between you and Earth.

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What are you most excited about for the future of human space exploration?

I would say I’m most excited for interplanetary travel to become more common so that the school kids can go to Mars on their field trip.

What would you say to someone looking to follow in your footsteps?

Don’t worry, be happy!

How has spaceflight evolved since your first launch and stay aboard the International Space Station in 2005?

This is definitely an exciting moment. We’re starting to see more players in the game. SpaceX is the frontrunner, but soon we’ll see Boeing, Sierra Nevada and Axiom. So the International Space Station will soon have more players involved, and it will be a lot more fun!

Thank you for your time, Soichi, and good luck on your historic mission! Get to know a bit more about Soichi and his NASA astronaut crew mates Victor Glover, Michael Hopkins, and Shannon Walker in the video above.

Watch LIVE launch coverage beginning at 3:30 p.m. EST on Nov. 14 HERE.

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

5 years ago
thehkr - 無標題
6 years ago

It takes strength and courage to admit the truth.

Rick Riordan (via quotemadness)

4 years ago

Sea Level Rise is on the Rise

As our planet warms, sea levels are rising around the world – and are doing so at an accelerating rate. Currently, global sea level is rising about an eighth of an inch every year.

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That may seem insignificant, but it’s 30% more than when NASA launched its first satellite mission to measure ocean heights in 1992 – less than 30 years ago. And people already feel the impacts, as seemingly small increments of sea level rise become big problems along coastlines worldwide.

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Higher global temperatures cause our seas to rise, but how? And why are seas rising at a faster and faster rate? There are two main reasons: melting ice and warming waters.

 The Ice We See Is Getting Pretty Thin

About two-thirds of global sea level rise comes from melting glaciers and ice sheets, the vast expanses of ice that cover Antarctica and Greenland. In Greenland, most of that ice melt is caused by warmer air temperatures that melt the upper surface of ice sheets, and when giant chunks of ice crack off of the ends of glaciers, adding to the ocean.

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In Antarctica – where temperatures stay low year-round – most of the ice loss happens at the edges of glaciers. Warmer ocean water and warmer air meet at the glaciers’ edges, eating away at the floating ice sheets there.

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NASA can measure these changes from space. With data from the Ice, Cloud and land Elevation Satellite-2, or ICESat-2, scientists can measure the height of ice sheets to within a fraction of an inch. Since 2006, an average of 318 gigatons of ice per year has melted from Greenland and Antarctica’s ice sheets. To get a sense of how big that is: just one gigaton is enough to cover New York City’s Central Park in ice 1,000 feet deep – almost as tall as the Chrysler Building.

With the Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission – a partnership with the German Research Centre for Geosciences – scientists can calculate the mass of ice lost from these vast expanses across Greenland and Antarctica.

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It’s not just glaciers in Antarctica and Greenland that are melting, though. Nearly all glaciers have been melting in the last decade, including those in Alaska, High Mountain Asia, South America, and the Canadian Arctic. Because these smaller glaciers are melting quickly, they contribute about the same amount to sea level rise as meltwater from massive ice sheets.

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The Water’s Getting Warm

As seawater warms, it takes up more space. When water molecules get warmer, the atoms in those molecules vibrate faster, expanding the volume they take up. This phenomenon is called thermal expansion. It’s an incredibly tiny change in the size of a single water molecule, but added across all the water molecules in all of Earth’s oceans – a single drop contains well over a billion billion molecules – it accounts for about a third of global sea level rise.

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So Much to See

While sea level is rising globally, it’s not the same across the planet. Sea levels are rising about an eighth of an inch per year on average worldwide. But some areas may see triple that rate, some may not observe any changes, and some may even experience a drop in sea level. These differences are due to ocean currents, mixing, upwelling of cold water from the deep ocean, winds, movements of heat and freshwater, and Earth’s gravitational pull moving water around. When ice melts from Greenland, for example, the drop in mass decreases the gravitational pull from the ice sheet, causing water to slosh to the shores of South America.

That’s where our view from space comes in. We’re launching Sentinel-6 Michael Freilich, an international partnership satellite, to continue our decades-long record of global sea level rise.

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5 years ago

10 Ways the 2010s Pushed Communication and Navigation into the Future!

We transmit vast amounts of data from space, letting all of our satellites “phone home.” Imagery from far off regions of our solar system, beautiful visions of other galaxies and insights into planet Earth flow through our communications networks. 

Our Space Communications and Navigation (SCaN) program is dedicated to making sure we precisely track, command and control our spacecraft. All the while, they develop bold new technologies and capabilities for Artemis – our sustainable lunar exploration program that will place the first woman and the next man on the Moon in 2024. 

As we prepare to say goodbye to the 2010s, let’s take a look at 10 of the biggest milestones in space communications and navigation of the past decade. 

1. Continuous global communications? TDRS has you covered.

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From 2013 to 2017, we launched three Tracking and Data Relay Satellites, or TDRS for short. These new satellites replenished a fleet that has been around since the early 1980s, allowing us to provide continuous global communications coverage into the next decade. Missions like the International Space Station depend on TDRS for 24/7 coverage, allowing our astronauts to call home day or night.

2. Binge watching on the Moon? Laser communications will make it possible.

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Imagine living at the Moon. With the Artemis program, we’re making it happen! However, we can’t live there without decent internet, right? In 2013, we conducted the Lunar Laser Communication Demonstration (LLCD). This was the first high-speed laser communications demonstration from the Moon, transmitting data at a whopping 622 megabits per second, which is comparable to many high-speed fiber-optic connections enjoyed at home on Earth! Our LLCD sent back high-definition video with no buffering. 

3. Record Breaking GPS navigation, at your service.

Space communications is just one piece of the SCaN puzzle. We do navigation too! We even break records for it. In 2016, our Magnetospheric Multiscale (MMS) mission broke the world record for highest altitude GPS fix at 43,500 miles above Earth. In 2017, they broke it again at 93,200 miles. Earlier this year, they broke it a third time at 116,200 miles from Earth — about halfway to the Moon!

Thanks to MMS, our navigation engineers believe that GPS and similar navigation constellations could play a significant role in the navigation architecture of our planned Gateway spaceship in lunar orbit!

4. Crashing planes as part of the game – of research!  

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Then there was that one summer we crashed three planes in the name of research! In 2015, our Search and Rescue office tested crash scenarios at Langley Research Center’s Landing and Impact Research Facility to improve the reliability of emergency beacons installed in planes. After the study, we made recommendations on how pilots should install these life-saving beacons, increasing their chances of survival in the event of a crash. The Federal Aviation Administration adopted these recommendations this year!

5. The Deep Space Atomic Clock takes flight. 

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Missions venturing into deep space want the autonomy to make decisions without waiting for a commands from Earth. That’s why we launched the Deep Space Atomic Clock this past year. This itty-bitty technology demonstration is a small, ultra-stable timekeeping device that could enable autonomous navigation!

6. 50 never looked so good – for our Deep Space Network. 

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In 2013, our Deep Space Network celebrated its 50th birthday! This is the network that transmitted Neil Armstrong’s famous words, “That’s one small step for (a) man, one giant leap for mankind.” Some of its more recent accomplishments? Gathering the last bits of data before Cassini dove into Saturn’s upper atmosphere, pulling down the “heart” of Pluto and talking to the Voyager probes as they journeyed into interstellar space!

7. SCaN Testbed becomes an official Hall of Famer. 

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In 2012, we installed the SCaN Testbed, which looks like a blue box in the above picture, on the space station! We built the testbed out of Software Defined Radios, which can change their functionality and employ artificial intelligence. These radios will help us adapt to the increasingly crowded communications landscape and improve the efficiency of radio technology. The Testbed was so ground-breaking that it was inducted into the Space Technology Hall of Fame in 2019.

8. Moon mission communications system, secured! 

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Just a few weeks ago, we held a ribbon-cutting for the Near Earth Network’s Launch Communications Segment, which will support Artemis missions as they rocket toward the Moon! During initial, dynamic phases of launch, the segment’s three stations will provide communications between astronauts and mission controllers, giving them the data necessary to ensure crew safety. 

9. Deep Space Station antenna introduces “beam waveguide” technology. 

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On October 1, 2014, in Canberra, Australia, the Deep Space Network’s Deep Space Station 35 (DSS-35) antenna went operational. It was the first of a number of new antennas built to support the growing number of deep space missions! The antenna is different from other antennas that were built before it. Older antennas had a lot of their equipment stored high up on the antenna above the dish. DSS-35 uses “beam waveguide” technology that stores that equipment underground. This makes the weight sitting on the dish much lighter, cuts down on interference and makes the antenna much easier to operate and maintain.

10. Hello, Alaska! 

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Last — but certainly not least — we expanded our presence in the 49th state, Alaska! While this picture might look like antennas rising from the forests of  Endor, the one in the foreground is actually an antenna we installed in 2014 in partnership with the University of Alaska Fairbanks. Because of its proximity to the polar north, this 11-meter beauty is uniquely situated to pull down valuable Earth science data from our polar-orbiting spacecraft, contributing to scientists’ understanding of our changing planet!

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

5 years ago
thehkr - 無標題
1 year ago
Artist’s concept showing the seven planets discovered orbiting a Sun-like star. The system, called Kepler-385, was identified using data from NASA’s Kepler mission. Credit: NASA/Daniel Rutter

Hot New Planetary System Just Dropped.

We hope you like your planetary systems extra spicy. 🔥

A new system of seven sizzling planets has been discovered using data from our retired Kepler space telescope.

Named Kepler-385, it’s part of a new catalog of planet candidates and multi-planet systems discovered using Kepler.

The discovery helps illustrate that multi-planetary systems have more circular orbits around the host star than systems with only one or two planets.

Our Kepler mission is responsible for the discovery of the most known exoplanets to date. The space telescope’s observations ended in 2018, but its data continues to paint a more detailed picture of our galaxy today.

Here are a few more things to know about Kepler-385:

Artist’s concept of Kepler 385, a seven-planet system with a Sun-like star to the left of the image and the planets varying in color and size are arranged in a straight line from inner-most to outer-most going from left to right. Credit: NASA/Daniel Rutter

All seven planets are between the size of Earth and Neptune.

Artist’s concept showing two of the seven planets discovered orbiting a Sun-like star. Credit: NASA/Daniel Rutter

Its star is 10% larger and 5% hotter than our Sun.

This artist concept shows NASA's planet-hunting Kepler spacecraft among the stars. The spacecraft looks like a golden cylinder with one end cut diagonally. Silver metal surrounds the cylinder, with solar panels all along one portion. Credit: NASA/ESA/CSA/STScI

This system is one of over 700 that Kepler’s data has revealed.

The planets’ orbits have been represented in sound.

Now that you’ve heard a little about this planetary system, get acquainted with more exoplanets and why we want to explore them.

Make sure to follow us on Tumblr for your regular dose of space!

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