✉news LifeFood first seen 12 h ago, last 9 h ago, peak #14
Earth and Mars formed from different cosmic building blocks
Original: Earth and Mars: Built from different cosmic recipes
Astronomers report that Earth and Mars did not form from the same mix of cosmic material, suggesting the two planets were built from distinct regions of the early solar nebula. Differences in their composition challenge the idea that rocky planets formed from a homogeneous soup of dust and gas.
Why now: New research comparing the compositions of Earth and Mars has just been published.
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