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@NASAGoddard

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Greenbelt, MD USA
nasa.gov/goddard
Liittynyt helmikuu 2009
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  1. Kiinnitetty twiitti
    1. maalisk.

    Today we begin to celebrate ! We'll share stories all month long of how women from across Goddard started their careers & advice they would give to girls interested in STEM!

    Woman stands and points in front of large nebula image
    8 vastausta 34 uudelleentwiittausta 159 tykkäystä
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  2. uudelleentwiittasi
    13 tuntia sitten

    LIVE NOW: teams debut the rocket & spacecraft — the vehicle that will lead the way for astronauts to explore the Moon. Tune in as begin to roll I to the launchpad for its final prelaunch test:

    58 vastausta 628 uudelleentwiittausta 2 364 tykkäystä
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  3. uudelleentwiittasi
    17 tuntia sitten

    Happy St. Patrick’s Day! ☘️ From the chartreuse of prairies to the emerald of rainforests, Earth is always wearing green. There’s no pinching this planet!

    18 vastausta 149 uudelleentwiittausta 1 130 tykkäystä
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  4. uudelleentwiittasi
    14 tuntia sitten

    There’s a lucky charm in outer space 🍀 The “shamrock nebula” imaged by our WISE spacecraft features a stellar nursery wrapped in a blanket of dust, colored green in this infrared view. Read more:

    Scattered throughout the region are small clusters of bright red objects, especially near the upper left portion of the image. These are likely "Young Stellar Objects," surrounded by cocoons of dense dust. Young Stellar Objects are stars in their earliest stages of life, just coming together and beginning to start their nuclear fusion. The clouds of gas and dust surrounding each star provide the material from which future planets might possibly form. The colors used in this image represent specific wavelengths of infrared light. Blue and cyan (blue-green) represent light emitted at wavelengths of 3.4 and 4.6 microns, which is predominantly from stars. Green and red represent light from 12 and 22 microns, respectively, which is mostly emitted by dust. Credit: NASA/JPL-Caltech/UCLA
    3 vastausta 97 uudelleentwiittausta 515 tykkäystä
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  5. 14 tuntia sitten

    This image shows an infant star consisting of an incandescent jet of gas traveling at supersonic speeds. As the jet collides with material surrounding the still-forming star, the shock heats this material & causes it to glow. The result is colorfully wispy structures!

    HH34, a Herbig-Hero object
    1 vastaus 24 uudelleentwiittausta 124 tykkäystä
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  6. 16 tuntia sitten

    Permafrost — soil frozen for at least two years — can store carbon for thousands of years. As permafrost thaws in a warmer climate, carbon emissions could spike. Scientists are looking at ways to combine study of permafrost from the ground, air & space.

    NASA Explorers: Permafrost
    Go in time…by going underground. In the Arctic, a frozen layer of soil trapped dead plants and animals for thousands of years. As the climate warms, that soil is beginning to thaw, releasing carbon.
    1 vastaus 13 uudelleentwiittausta 41 tykkäystä
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  7. 20 tuntia sitten

    We hope this isn’t polarizing, but we think magnetic fields are super cool — and so does Dr. Yasmina Martos. 🧲 She studies magnetic fields both on Earth and over 500 million miles away on and around Jupiter! Learn more:

    Yasmina Martos
    2 vastausta 33 uudelleentwiittausta 168 tykkäystä
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  8. 21 tuntia sitten

    🌈 Looking for the pot of gold at the end of a rainbow? ’s mirrors are coated with a microscopically thin layer of gold, optimizing them to reflect infrared light, seeing beyond the visible rainbow to study light from the early universe.

    Picture of the James Webb Space Telescope primary mirror in the cleanroom. The mirror is made up of 18 individual gold segments, each shaped like a hexagon. The mirror is laying down on its back in the image
    1 vastaus 15 uudelleentwiittausta 81 tykkäystä
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  9. 21 tuntia sitten

    The Solar Dynamics Observatory sees the Sun in a variety of wavelengths to study parts of the Sun invisible to human eyes. One wavelength colorized in bright green captures light emitted by iron-18 (Fe XVIII) at temperatures of about 10.8 million °F.

    Image of the Sun, taken by SDO, that appears bright green
    1 vastaus 22 uudelleentwiittausta 90 tykkäystä
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  10. 21 tuntia sitten

    🌳 Earth’s lush green forests play an important role in storing carbon. The GEDI instrument on the measures the height as well as the structure of forests, an important piece of monitoring how much carbon is stored around the planet.

    A line graph, with a horizontal dark green line running across the graph, at about 20 meters. Lighter green spikes extend from the dark green line, some reaching up to the 50-meter marker. The graph is labeled "GEDI sees to, and through, the trees in South Carolina." An arrow pointing at the lighter green spikes is labeled "Dense upper canopy." An arrow pointing at the dark green horizontal line is labeled "Open understory"
    1 vastaus 4 uudelleentwiittausta 30 tykkäystä
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  11. 21 tuntia sitten

    Legend has it St. Patrick drove the snakes out of Ireland…did they make it all the way to space? 🐍 spotted NGC 2835 in the constellation Hydra. This “snake eye” galaxy has a supermassive black hole in its center.

    Image of a spiral galaxy from the Hubble Space Telescope. The spiral galaxy has blueish arms extending from a golden center, both of which are lit by individual stars. Blue and yellow stars are visible against the black background of the image.
    10 vastausta 96 uudelleentwiittausta 619 tykkäystä
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  12. 21 tuntia sitten

    When atoms and molecules in Earth’s upper atmosphere get excited by sunlight, they glow green (and purple and red and yellow). Known as airglow, these swaths of colored light mark the region where Earth’s atmosphere meets space.

    1 vastaus 12 uudelleentwiittausta 50 tykkäystä
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  13. 21 tuntia sitten

    What’s greener than being green? 532 nanometers! 💚 That’s the exact wavelength of ’s six laser beams, which precisely measure the height of ice, water, vegetation, and more around the planet.

    ICESat-2 By the Numbers
    Learn about the precise color of green laser we'll use to measure the world's snow.
    1 vastaus 4 uudelleentwiittausta 26 tykkäystä
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  14. 21 tuntia sitten

    Feeling lucky on ? ☘️ Here at Goddard, doing science can be as easy as being green!

    3 vastausta 11 uudelleentwiittausta 65 tykkäystä
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  15. 16. maalisk.

    96 years ago, Dr. Robert Goddard launched the 1st liquid-propelled rocket from a farm in Massachusetts. Guess you could say he ~ propelled ~ us into the modern space age… 😉 🔗

    Robert H. Goddard standing next to the world’s first liquid-fueled rocket and its launch frame in Auburn, Massachusetts, in 1926.
    10 vastausta 76 uudelleentwiittausta 320 tykkäystä
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  16. 16. maalisk.

    Dr. Amber Straughn is an astrophysicist who studies how stars & black holes form in distant galaxies.💫 As the Deputy Project Scientist for Communications, she serves as the scientific liaison between the telescope's science & communications teams.

    Amber Straughn stands against galaxy background
    2 vastausta 20 uudelleentwiittausta 135 tykkäystä
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  17. uudelleentwiittasi
    16. maalisk.

    Eugene Parker's work revolutionized our understanding of the universe and gave humanity the ability to 'touch the Sun.' He will be deeply missed.

    Tribute to Eugene Parker, Namesake of NASA’s Parker Solar Probe
    Dr. Eugene N. Parker, visionary of heliophysics and namesake of NASA’s Parker Solar Probe, has passed away. He was 94.
    32 vastausta 412 uudelleentwiittausta 1 669 tykkäystä
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  18. 16. maalisk.

    This visualization was based on the “climate spiral” by ’s Dr. Ed Hawkins. To download from :

    1 uudelleentwiittaus 21 tykkäystä
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  19. 16. maalisk.

    What does a warming climate look like? Using ’s 180+ year record, we see global average temperatures climbing more than 1°C (nearly 2°F) since the industrial revolution. NASA’s dataset is one of several that shows this same warming trend.

    11 vastausta 53 uudelleentwiittausta 122 tykkäystä
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  20. uudelleentwiittasi
    16. maalisk.

    Small adjustments, major progress! Having completed 2 more mirror alignment steps, ’s optical performance will be able to meet or exceed its science goals. Now that’s good optics! 😉 Curious about this image? Thread ⬇️

    An engineering image from Webb which shows a bright star in the foreground with small galaxies and stars in the background. The bright objects in this photo are reddish, a color chosen to optimize visual contrast. Credit: NASA/STScI
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  21. 15. maalisk.

    City of stars, are you shining just for me? 💫 An image taken by shows a dimming galaxy, NGC 1947. Despite being home to millions of stars, NGC 1947 has lost most of its star-forming material—leaving this galaxy to continue fading with time.

    Hubble image of lenticular galaxy NGC 1947.
    11 vastausta 103 uudelleentwiittausta 802 tykkäystä
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