TESS (Transiting Exoplanet Survey Satellite)

Nancy Grace Roman Space Telescope
Galaxies, Stars, & Black Holes
Goddard Space Flight Center
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How NASA’s Roman Telescope Will Measure Ages of Stars

Guessing your age might be a popular carnival game, but for astronomers it’s a real challenge to determine the ages of stars. Once a star like our Sun has settled into steady nuclear fusion, or the mature phase of its life, it changes little for billions of years. One exception to that rule is the […]
Posted April 4, 2024
Earth-like Exoplanets
Eclipses
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James Webb Space Telescope (JWST)
TESS (Transiting Exoplanet Survey Satellite)
The Universe

That Starry Night Sky? It’s Full of Eclipses

Our star, the Sun, on occasion joins forces with the Moon to offer us Earthlings a spectacular solar eclipse – like the one that will be visible to parts of the United States, Mexico, and Canada on April 8. But out there, among the other stars, how often can we see similar eclipses? The answer […]
Posted April 2, 2024
Exoplanet Discoveries
Exoplanets
Gas Giant Exoplanets
Goddard Institute for Space Studies
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: a Long Year for a ‘Cold Saturn’

Two recently discovered exoplanets, gas giants possibly similar to Saturn, could be candidates for further atmospheric investigation.
Posted March 7, 2024
Exoplanets
Goddard Space Flight Center
James Webb Space Telescope (JWST)
Super-Earth Exoplanets
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: A ‘Super-Earth’ in the Habitable Zone

A newly discovered ‘super-Earth’ dwells in the habitable zone of its parent star – and might have a roughly Earth-sized companion.
Posted January 31, 2024
Exoplanet Discoveries
Exoplanets
Terrestrial Planets
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: Earth-sized Planet Has a ‘Lava Hemisphere’

In a system with two known planets, astronomers spotted something new: a small object transiting across the Sun-sized star. This turned out to be another planet: extra hot and Earth-sized.
Posted January 10, 2024
Astrophysics Division
Chandra X-Ray Observatory
Exoplanets
Hubble Space Telescope
James Webb Space Telescope (JWST)
TESS (Transiting Exoplanet Survey Satellite)
The Universe

NASA Features New Discoveries at American Astronomical Society Meeting

Experts will discuss new research from NASA missions at the 243rd meeting of the American Astronomical Society (AAS), on topics ranging from planets outside our solar system to fleeting, high-energy explosions in the universe. The meeting will take place Jan. 7-11 at the New Orleans Ernest N. Morial Convention Center in New Orleans. In press […]
Posted January 5, 2024
Exoplanets
TESS (Transiting Exoplanet Survey Satellite)
The Universe

Discovery Alert: Watch the Synchronized Dance of a 6-Planet System

Six “sub-Neptune” exoplanets orbit their star in a kind of rhythmic dance – one easily set to music.
Posted November 30, 2023
Nancy Grace Roman Space Telescope
Astrophysics
Black Holes
Earth-like Exoplanets
Exoplanet Detection Methods
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Science & Research
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The Milky Way
The Solar System
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Why NASA’s Roman Mission Will Study Milky Way’s Flickering Lights

NASA’s Nancy Grace Roman Space Telescope will provide one of the deepest-ever views into the heart of our Milky Way galaxy. The mission will monitor hundreds of millions of stars in search of tell-tale flickers that betray the presence of planets, distant stars, small icy objects that haunt the outskirts of our solar system, isolated […]
Posted October 24, 2023
Exoplanet Discoveries
Exoplanets
Gas Giant Exoplanets
Red Giants
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: The Planet that Shouldn’t Be There

A large, gaseous exoplanet orbits a red giant star that should have destroyed it. It’s 530 light-years from Earth.
Posted September 30, 2023
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14
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1
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5
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12
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5
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1
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1
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88
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1
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27
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4
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13
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1
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16
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11
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10
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80
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1
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347
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2
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12
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7
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19
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2
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9
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319
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3
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4
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9
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6
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9
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1
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3
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9
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2
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1
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3
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2
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3
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10
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5
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15
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20
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6
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3
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1
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1
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7
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287
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4
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39
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6
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1
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2
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1
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3
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2
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5
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28
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27
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18
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141
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4
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42
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59
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18
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5
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5
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1
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15
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24
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45
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4
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4
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13
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90
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357
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2
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5
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2
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5
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30
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1
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23
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1
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14
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2
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194
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25
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2
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7
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222
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5
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46
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27
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17
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125
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9
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8
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19
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132
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3
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27
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3
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7
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4
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3
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5
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58
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3
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32
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4
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11
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1
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91
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1
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99
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1
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1
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183
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11
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5
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3
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21
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1
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10
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132
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44
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10
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1
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8
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18
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1
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5
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6
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3
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17
Johnson's Mission Control Center
5
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1
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3
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1
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1
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1
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2
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1
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22
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4
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29
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8
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1
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49
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129
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10
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1
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1
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2
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8
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2
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5
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19
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1
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4
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11
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2
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55
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27
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6
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1
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2
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210
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1
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5
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1
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1
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3
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2
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7
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9
T-34C
1
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24
Michael R. Barratt
2
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2
Expedition 74
1
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1
GOES-U
4
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19
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8
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3
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4
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4
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2
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1
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1
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1
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1
NASA STEM Projects
9
Ozone Layer
6
Galaxies, Stars, & Black Holes
73

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