TESS (Transiting Exoplanet Survey Satellite)

NASA’s TESS Spots Record-Breaking Stellar Triplets – NASA

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NASA’s TESS Spots Record-Breaking Stellar Triplets – NASA

Watch how the three stars in the system called TIC 290061484 eclipse each other over about 75 days. The line at the bottom is the plot of the system’s brightness over time, as seen by TESS (Transiting Exoplanet Survey Satellite). The inset shows the system from above.NASA’s Goddard Space Flight Center Professional and amateur astronomers … Read more

How NASA’s Roman Telescope Will Measure Ages of Stars – NASA

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How NASA’s Roman Telescope Will Measure Ages of Stars – NASA

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 … Read more

Why NASA’s Roman Mission Will Study Milky Way’s Flickering Lights – NASA

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Why NASA’s Roman Mission Will Study Milky Way’s Flickering Lights – NASA

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 … Read more