High Tech > Astronomy

TESS finds its first Earth-sized planet

4 monthes ago   |   By Phys.org

A nearby system hosts the first Earth-sized planet discovered by NASA's Transiting Exoplanets Survey Satellite, as well as a warm sub-Neptune-sized world, according to a new paper from a team of astronomers that includes Carnegie's Johanna Teske, Paul Butler, Steve Shectman, Jeff Crane, and Sharon Wang.
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Breezing through the space environment of Barnard's Star b

4 monthes ago   |   By Phys.org

The closest exoplanet to us, if we include only single stars like the Sun, is the planet around Barnard's Star, Barnard's Star-b. (The planet Promixa Centauri-b is closer, but Proxima Cen is part of a triple-star system with Alpha and Beta Centauri, and understanding the evolutionary development of the planet is more complicated.) BSb orbits at a distance similar to that of Mercury around the Sun, but Barnard's Star is a cool M-dwarf star and so despite the planet being close to the star it probably resides near the snow line - the distance where stellar irradiation is weak enough to allow...
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Proxima Centauri may have a second orbiting planet six-times Earth's mass

Proxima Centauri may have a second orbiting planet six-times Earth's mass

4 monthes ago   |   By SlashGear

The closest star to our own Sun is Proxima Centauri over 4.2 light years from Earth. Scientists around the world are working hard to find new exoplanets with the hope of eventually finding an exoplanet that has life. It was already known that Proxima Centauri had one planet orbiting. Scientists now believe a second planet is orbiting the star. The...
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