Hubble's image shows NGC 3201, a globular cluster of stars discovered in 1826 by James Dunlop, noted for its size and irregular centre. This Hubble image shows RS Puppis, a Cepheid variable star that ...
Recent analysis of images captured by NASA's Voyager 2 has ... These grains, thought to have come from the outer Solar System, may have interacted with early Earth’s water, releasing essential ...
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