Helsinki, Finland By Alexandr Bormotin

See the Universe in a New Way with the Webb Space Telescope's First Images

Are you ready to see unprecedented, detailed views of the universe from the James Webb Space Telescope, the largest and most powerful space observatory ever made? Scroll down to see the first full-color images and data from Webb. Unfold the universe with us. ✨

Carina Nebula

This landscape of “mountains” and “valleys” speckled with glittering stars, called the Cosmic Cliffs, is the edge of the star-birthing Carina Nebula. Usually, the early phases of star formation are difficult to capture, but Webb can peer through cosmic dust—thanks to its extreme sensitivity, spatial resolution, and imaging capability. Protostellar jets clearly shoot out from some of these young stars in this new image.

Southern Ring Nebula

The Southern Ring Nebula is a planetary nebula: it’s an expanding cloud of gas and dust surrounding a dying star. In this new image, the nebula’s second, dimmer star is brought into full view, as well as the gas and dust it’s throwing out around it. (The brighter star is in its own stage of stellar evolution and will probably eject its own planetary nebula in the future.) These kinds of details will help us better understand how stars evolve and transform their environments. Finally, you might notice points of light in the background. Those aren’t stars—they’re distant galaxies.

Stephan’s Quintet

Stephan’s Quintet, a visual grouping of five galaxies near each other, was discovered in 1877 and is best known for being prominently featured in the holiday classic, “It’s a Wonderful Life.” This new image brings the galaxy group from the silver screen to your screen in an enormous mosaic that is Webb’s largest image to date. The mosaic covers about one-fifth of the Moon’s diameter; it contains over 150 million pixels and is constructed from almost 1,000 separate image files. Never-before-seen details are on display: sparkling clusters of millions of young stars, fresh star births, sweeping tails of gas, dust and stars, and huge shock waves paint a dramatic picture of galactic interactions.

WASP-96 b

WASP-96 b is a giant, mostly gas planet outside our solar system, discovered in 2014. Webb’s Near-Infrared Imager and Slitless Spectrograph (NIRISS) measured light from the WASP-96 system as the planet moved across the star. The light curve confirmed previous observations, but the transmission spectrum revealed new properties of the planet: an unambiguous signature of water, indications of haze, and evidence of clouds in the atmosphere. This discovery marks a giant leap forward in the quest to find potentially habitable planets beyond Earth.

Webb's First Deep Field

This image of galaxy cluster SMACS 0723, known as Webb’s First Deep Field, looks 4.6 billion years into the past. Looking at infrared wavelengths beyond Hubble’s deepest fields, Webb’s sharp near-infrared view reveals thousands of galaxies—including the faintest objects ever observed in the infrared—in the most detailed view of the early universe to date. We can now see tiny, faint structures we’ve never seen before, like star clusters and diffuse features and soon, we’ll begin to learn more about the galaxies’ masses, ages, histories, and compositions.

These images and data are just the beginning of what the observatory will find. It will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, to the evolution of our own Solar System.

Make sure to follow us on Tumblr for your regular dose of space—and for milestones like this!

Credits: NASA, ESA, CSA, and STScI

Throwback Thursday: Frequently Asked Questions about Apollo

In celebration of the 50th anniversary of Apollo 11, we’ll be sharing answers to some frequently asked questions about the first time humans voyaged to the Moon. Answers have been compiled from archivists in the NASA History Office.

How many people worked on the Apollo program?

At the height of Apollo in 1965, about 409,900 people worked on some aspect of the program, but that number doesn’t capture it all.

It doesn’t represent the people who worked on mission concepts or spacecraft design, such as the engineers who did the wind tunnel testing of the Apollo Command Module and then moved on to other projects. The number also doesn’t represent the NASA astronauts, mission controllers, remote communications personnel, etc. who would have transferred to the Apollo program only after the end of Gemini program (1966-1967). There were still others who worked on the program only part-time or served on temporary committees. In the image above are three technicians studying an Apollo 14 Moon rock in the Lunar Receiving Laboratory at Johnson Space Center. From left to right, they are Linda Tyler, Nancy Trent and Sandra Richards.

How many people have walked on the Moon so far?

This artwork portrait done by spaceflight historian Ed Hengeveld depicts the 12 people who have walked on the Moon so far. In all, 24 people have flown to the Moon and three of them, John Young, Jim Lovell and Gene Cernan, have made the journey twice.  

But these numbers will increase.

Are the U.S. flags that were planted on the Moon still standing?

Every successful Apollo lunar landing mission left a flag on the Moon but we don’t know yet whether all are still standing. Some flags were set up very close to the Lunar Module and were in the blast radius of its ascent engine, so it’s possible that some of them could have been knocked down. Neil Armstrong and Buzz Aldrin both reported that the flag had been knocked down following their ascent. 

Our Lunar Reconnaissance Orbiter took photographs of all the Apollo lunar landing sites. In the case of the Apollo 17 site, you can see the shadow of the upright flag.

But why does it look like it’s waving?

The flags appear to “wave” or “flap” but actually they’re swinging. Swinging motions on Earth are dampened due to gravity and air resistance, but on the Moon any swinging motion can continue for much longer. Once the flags settled (and were clear of the ascent stage exhaust), they remained still.  And how is the flag hanging? Before launching, workers on the ground had attached a horizontal rod to the top of each flag for support, allowing it to be visible in pictures and television broadcasts to the American public. Armstrong and Aldrin did not fully extend the rod once they were on the Moon, giving the flag a ripple effect. The other astronauts liked the ripple effect so much that they also did not completely extend the rod. 

Why don’t we see stars in any of the pictures?

Have you ever taken a photo of the night sky with your phone or camera? You likely won’t see any stars because chances are your camera’s settings are set to short exposure time only lets it quickly take in the light off the bright objects closest to you. It’s the same reason you generally don’t see stars in spacewalk pictures from the International Space Station. There’s no use for longer exposure times to get an image like this one of Bruce McCandless in 1984 as seen Space Shuttle Challenger (STS-41B).

The Hasselblad cameras that Apollo astronauts flew with were almost always set to short exposure times. And why didn’t the astronauts photograph the stars? Well, they were busy exploring the Moon!

When are we going back to the Moon?

The first giant leap was only the beginning. Work is under way to send the first woman and the next man to the Moon in five years. As we prepare to launch the next era of exploration, the new Artemis program is the first step in humanity’s presence on the the Moon and beyond.

Keep checking back for more answers to Apollo FAQs.

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

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.

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.

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!  

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. 

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. 

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. 

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! 

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. 

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! 

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.

You’ve Heard “Houston, we’ve had a problem,” But Do You Know The Mission It’s From?

It’s the 50th anniversary of the Apollo 13 mission! NASA’s “successful failure,”Apollo 13 was to be the third lunar landing attempt, but the mission was aborted mid-flight after the rupture of a service module oxygen tank. The crew never landed on the moon, but due to the dedication and ingenuity of Mission Control, made it back to Earth safely. We’ve put some of the most important numbers of the Apollo 13 mission in perspective. Check it out!

Listen to the mission in real time, HERE. 

Follow NASA History on Twitter and Facebook for more interesting information about aerospace history!

Check out the stats of all the Apollo Missions in the free e-book Apollo by the Numbers, HERE.

Every next level of your life will demand a different you.

Leonardo DiCaprio (via quotemadness)

Survival Skills

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“Words are so powerful. They can crush a heart, or heal it. They can shame a soul or liberate it. They can shatter dreams or energize them. They can obstruct connection or invite it. They can create defenses, or melt them. We have to use our words wisely.”

— Jeff Brown

石川恋

   Take time to think, it is the source of power. Take time to read, it is the foundation of wisdom.