TESS (Transiting Exoplanet Survey Satellite)

Astrophysics
Astrophysics Division
Chandra X-Ray Observatory
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IXPE (Imaging X-ray Polarimetry Explorer)
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TESS (Transiting Exoplanet Survey Satellite)
The Universe

NASA Research To Be Featured at American Astronomical Society Meeting

From new perspectives on the early universe to illuminating the extreme environment near a black hole, discoveries from NASA missions will be highlighted at the 245th meeting of the American Astronomical Society (AAS). The meeting will take place Jan. 12-16 at the Gaylord National Resort & Convention Center in National Harbor, Maryland.
Posted January 10, 2025
Exoplanet Detection Methods
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Exoplanets
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Radial Velocity
Super-Earth Exoplanets
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: A Rare Glimpse of a Newborn Planet

The Discovery A huge planet with a long name – IRAS 04125+2902 b – is really just a baby: only 3 million years old. And because such infant worlds are usually hidden inside obscuring disks of debris, it is the youngest planet so far discovered using the dominant method of planet detection. Key Facts The […]
Posted November 20, 2024
Binary Stars
Exoplanet Science
Exoplanets
Neptune-Like Exoplanets
TESS (Transiting Exoplanet Survey Satellite)

Discovery Alert: Mini-Neptune in Double Star System is a Planetary Puzzle

The Discovery A planet that could resemble a smaller version of our own Neptune orbits one of two Sun-like stars that also orbit each other. The planet dwells in the “habitable zone,” with a potentially moderate temperature, and poses a challenge to prevailing ideas of planet formation. Key Facts Astronomers once imagined that our solar […]
Posted May 21, 2024
Astrophysics
Goddard Space Flight Center
TESS (Transiting Exoplanet Survey Satellite)
The Universe

NASA’s TESS Returns to Science Operations

NASA’s TESS (Transiting Exoplanet Survey Satellite) returned to science operations May 3 and is once again making observations. The satellite went into safe mode April 23 following a separate period of down time earlier that month.
Posted May 7, 2024
Nancy Grace Roman Space Telescope
Galaxies, Stars, & Black Holes
Goddard Space Flight Center
Heliophysics
Missions
Science & Research
Solar Dynamics Observatory (SDO)
Stars
Sunspots
TESS (Transiting Exoplanet Survey Satellite)
The Solar System
The Sun
The Universe

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
Exoplanets
Gas Giant Exoplanets
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
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