Travel to other worlds with this unlikely hero. You’ll laugh, you’ll cry, you will ache for more !!
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"In studying the dimmest burned-out stars in globular star cluster NGC 6791, NASA's Hubble Space Telescope has uncovered a paradox: three different populations of stars exist in an object where all the stars should have formed at the same time out of an interstellar cloud of gas and dust. 69 more words