The 365 Days of Astronomy EVSN - Lightweight Mars-sized Planet Found in TESS Data
From December 3, 2021.
A Mars-sized planet was found just 31 light-years away, orbiting its star every eight hours and having 55 percent the mass of the Earth, leading scientists to conclude it’s mostly made of an iron-nickel core. Plus, water on Earth, a huge comet, and a review of a Canon lens.
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