summary - Many scientists believe the Earth was initially dry and that water, carbon and nitrogen -- the building blocks for life -- likely came as a result of collisions with objects that began their lives in the cold outer reaches of our solar system. Today, scientists report discovery of the existence of just such an object - one that once orbited a neighboring star.
Friday, February 10, 2017
Life
Science Daily: Dwarf star 200 light years away contains life's building blocks - Object in the constellation Boötes with carbon, nitrogen, oxygen and hydrogen
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