Sentences with phrase «previously exploded stars»

Not exact matches

This allowed the international team to determine that the explosion was a Type IIb supernova: the explosion of a massive star that had previously lost most of its hydrogen envelope, a species of exploding star first observationally identified by Filippenko in 1987.
The X-ray sky crackles with previously unimagined action: exploding stars, gas swirling into monster black holes, and pile - driver smashups of whole clusters of galaxies.
Based on the previously measured concentrations of galactic cosmic rays, many scientists suspect that the particles get flung toward Earth in the shock waves of exploding stars.
Previously, astrophysicists disagreed about where the r - process occurs: Two top candidates were exploding stars called supernovas (SN: 2/18/17, p. 24) and neutron star mergers.
From now on its occupants will be exotic, short - lived atoms that could previously only be found in exploding stars.
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