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@NASAGoddard

Your friendly neighborhood space flight center. 👩‍🔬🚀 Welcome to the largest community of scientists, engineers and technologists on planet Earth.

Greenbelt, MD USA
nasa.gov/goddard
Joined February 2009
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  1. 10 hours ago

    Larger than Earth, smaller than Neptune, & shrouded in mystery. 🤔 Sub-Neptunes are a type of planet commonly found in our Milky Way, but most have hazy atmospheres that make them difficult to study. Here's how may get a clearer view:

    Illustration comparing the sizes of sub-Neptune exoplanets (called TOI-421 b and GJ 1214 b) to Earth and Neptune. The planets are arranged from left to right in order of increasing radius and mass: Image of Earth from the Deep Space Climate Observatory: Earth is a rocky planet with an average radius of roughly 6,370 kilometers, a mass of about 6 billion trillion metric tons, and a density 5.5 times that of water. Illustration of TOI-421 b: TOI-421 b is a hot sub-Neptune exoplanet with a radius 2.68 times Earth, a mass 7.2 times Earth, and a density 2.05 times water. Illustration of GJ 1214 b: GJ 1214 b is a warm sub-Neptune exoplanet with a radius 2.74 times Earth, a mass 8.2 times Earth, and a density 2.2 times water. Image of Neptune from Voyager 2: Neptune is an ice giant with a radius 3.88 times that of Earth (giving it a volume nearly 58 times Earth), a mass 17 times Earth, and a density of only 1.6 times water.
    13 retweets 65 likes
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  2. 15 hours ago

    You’re invited to NASA’s STEM-A-Thon! Connect with NASA experts and explore virtual booths in this free event Thursday, Nov. 18. from 8 a.m.-8 p.m. ET. Register here:

    graphic with "You're invited to STEM-A-Thon"
    2 replies 17 retweets 63 likes
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  3. Nov 16

    “What we hope to learn from Webb is more about our universe, the building blocks of how we got here.” NASA’s Curious Universe podcast is back with a four-part miniseries on . Tune in each Tuesday for new episodes:

    Animated James Webb Space Telescope, exoplanets, stars, and a black hole with the Curious Universe logo
    16 retweets 92 likes
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  4. Retweeted
    Nov 15

    Come to the dark side. Dark nebulae (or absorption nebulae) are clouds of gas and dust in space that block light coming from behind them, as seen in this newly released Hubble image of LDN 1165:

    48 replies 578 retweets 4,095 likes
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  5. Nov 15

    Do you ever just want to reach up and touch the clouds? ☁️ Or what about looking down on them from space? 🌏🌫 A astronaut shot this panoramic photograph of cloudscapes, looking west over multiple Indonesian islands. 🔗

    Photograph of a light-blue Earth taken from space, with black looming above a glowing blue horizon line. Long, horizontal strips of clouds rest over multiple islands. Two ISS solar panels peek out in the corners of the image.
    2 replies 13 retweets 85 likes
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  6. Nov 14

    The fastest object ever made by humans is about to speed up. 🚀 On Nov. 21, NASA’s Parker Solar Probe will make its 10th close pass of the Sun, flying closer than ever before and reaching top speeds of 364,621 mph. More on Parker from : More:

    73 replies 554 retweets 2,172 likes
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  7. Retweeted
    Nov 12

    He’s the first person to witness the launch of a spacecraft named after him. 😎 🚀 Dr. Eugene Parker won the 2020 Crafoord Prize in Astronomy and NASA's Dr. Nicky Fox was there to present it in person (and snap a few pictures) 😉 More: photo: Nolan Loh

    1 reply 37 retweets 185 likes
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  8. Nov 12

    Image 4: Reflection nebula IC 2631 contains a protostar – the hot, dense core of a forming star – that may eventually gather enough matter to begin nuclear fusion and emit its own energy and starlight. Credits: NASA, ESA, and K. Stapelfeldt (Jet Propulsion Laboratory)

    4 retweets 58 likes
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  9. Nov 12

    Image 3: The Snowman Nebula is an emission nebula, meaning its diffuse clouds of gas have become so charged by the energy of nearby massive stars that they glow with their own light. Credits: NASA, ESA, and J. Tan (Chalmers University of Technology)

    1 reply 4 retweets 60 likes
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  10. Nov 12

    Image 2: A stellar explosion called a supernova left behind these cosmic ribbons of gas. DEM L249 is thought to be the remnant of a Type 1a supernova, the death of a white dwarf star. Credits: NASA, ESA, and Y. Chou (Academia Sinica, Institute of Astronomy and Astrophysics)

    1 reply 4 retweets 45 likes
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  11. Nov 12

    Image 1: Free-floating Evaporating Gaseous Globules (frEGGs) are knots of cold, dense interstellar gas where new stars form. The image also features two massive stars. Credits: NASA, ESA, and R. Sahai (Jet Propulsion Laboratory)

    1 reply 4 retweets 50 likes
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  12. Nov 12

    Second week of secured. ✔️ released these breathtaking images of nebulae this week, and we're in love. 🤩 ⤵️

    Two bright pink stars glow in the bottom right, with two curved brown clouds above and to the left. Other blue and red stars shine throughout the rest of the black background.
    Black background speckled with bright, small colorful stars, with streams of red flowing down the center
    Curved red cloud with bright blue and orange stars of different sizes scattered across a dark background
    Cloudy blue background with orange stars and white clouds in top left corner
    40 replies 581 retweets 2,958 likes
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  13. Nov 12

    Goddard planetary scientist Kelsey Young joined LEGO Space Team Scientist Sofie to talk about training astronauts on how to use tools on the Moon. You can learn more in 's video. 👇

    2 replies 3 retweets 37 likes
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  14. Nov 12

    Why did we go with real gold for 's mirrors? It's not because it's dazzling — gold is incredibly useful for helping Webb to ! 🏆 📺 Watch this first episode of "Elements of Webb" to learn more.

    Elements of Webb: Gold Part 1 Ep01
    The Webb Telescope’s dazzling mirrors have a microscopic layer of gold. Learn why these mirrors are so well suited for infrared observation. Music Credits: Universal Production Music
    1 reply 45 retweets 186 likes
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  15. Nov 10

    We have a lot of questions for Venus. 🤔 The heads to Venus in 2029 and aims to uncover our planetary sister's mysterious past. Was Venus once like Earth? How has the planet evolved? Five instruments aboard the spacecraft hope to answer these questions and more.

    The DAVINCI Mission to Venus
    Launching in 2029, NASA’s DAVINCI mission will bring a rich suite of instruments to Venus to address long standing questions about Earth’s sister planet.
    8 replies 87 retweets 343 likes
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  16. Nov 9

    Telescopes on Earth can join forces with telescopes in space to give science an impressive power-up. in Chile will team with our in the mid-2020s to study the speeding up expansion of the universe. 🔗

    illustration showing survey size of Roman space telescope superimposed on a night sky, compared to sizes of other observation swaths
    2 replies 29 retweets 110 likes
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  17. Nov 9

    Landsat 9, launched on Sept. 27, 2021, collected its first images! The first image shows remote coastal islands and inlets of the Kimberley region of Western Australia. 🔗

    satellite view of Australia with clouds visible
    6 retweets 49 likes
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  18. Nov 9

    The telescope is three stories tall and as wide as a tennis court. It's twice the size of , but only half the weight. Why? We chose the right elements for the job! In our new video series, dive into all the elements that make up this feat of engineering ⤵️

    Elements of Webb: Series Introduction Ep0
    Elements of Webb explores why engineers chose to use different materials on the James Webb Space Telescope. Music Credits: Universal Production Music
    1 reply 39 retweets 122 likes
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  19. Retweeted
    Nov 8

    NASA restored Hubble’s Advanced Camera for Surveys instrument on Sunday. The team is continuing work to resolve the issue that suspended all science operations Oct. 25.

    12 replies 116 retweets 863 likes
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  20. Retweeted
    Nov 8

    Happy ! 🧪 🖥️ See how science, technology, engineering, arts, and mathematics came together to create the James Webb Space Telescope by exploring "Webb STEAM Day: A + Arts Virtual Learning Experience." Register for free:

    NASA's James Webb Space Telescope is tilted by cables as it is lifted and prepared for transport to French Guiana inside the Northrop Grumman cleanroom. Several technicians in white cleanroom suits observe the telescope, their heads turned away from the camera.
    4 replies 70 retweets 431 likes
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