Life’s ingredients discovered in samples Nasa probe returned from an asteroid
Samples returned from an asteroid contain a surprising abundance of the basic ingredients of life. They were discovered to be rich in carbon, nitrogen and ammonia, with over 30 kinds of amino acids and the five nucleobases found in RNA and DNA. 1 The asteroid, Bennu, was targeted by a Nasa mission that returned a capsule to Earth in September 2023.
BS4 may be anywhere between 17 and 40 feet across, and will approach at about twice the distance between the Earth and moon.
PT5, a near-Earth object discovered last year, has captivated scientists with its potential lunar origins. Likely ejected ...
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Planetary defense is a global imperative, of course, but for the time being, NASA — and, by extension, the United States — is ...
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