How to make a super-Earth: The universe's most common planets are whittled down by stellar radiation
Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...
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Mars-like planet crashed into Earth billions of years ago. Now we know where it came from
Scientists have determined the origin point of Theia, the planet believed to have collided with Earth around four and a half billion years ago. This collision released a huge amount of debris that ...
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