Is it enough for a planet to be in a habitable zone for life to exist? Any planet standing there would have to receive strong radiation from its parent star. It will eventually melt the planet's atmosphere. (But the thick...
The oldest meteorite that fell on earth is 700 million years old. On September 28, 1969 at 10:58 a.m., a fireball hit AustraliaIt broke into three pieces over the town of Murchison and crashed into the ground over a 13...
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