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2. Gravitational collapse - Wikipedia

   en.wikipedia.org/wiki/Gravitational_collapse

   Gravitational collapse of a massive star, resulting in a Type II supernova. Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the center of gravity. [1] Gravitational collapse is a fundamental mechanism for structure formation in the universe.

3. Stellar collision - Wikipedia

   en.wikipedia.org/wiki/Stellar_collision

   Simulated collision of two neutron stars. A stellar collision is the coming together of two stars [1] caused by stellar dynamics within a star cluster, or by the orbital decay of a binary star due to stellar mass loss or gravitational radiation, or by other mechanisms not yet well understood.

4. Collapsar - Wikipedia

   en.wikipedia.org/wiki/Collapsar

   A collapsar (a portmanteau word formed by "collapsed" + "star") is a star which has undergone gravitational collapse. [1] When a star no longer has enough fuel for significant fusion reactions, there are three possible outcomes, depending on the remnant star's mass: If it is less than the Chandrasekhar limit (1.4 solar masses), the star will ...

5. SEE IT: Actual biggest stars in the world lead ‘Celebrating ...

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6. Stellar black hole - Wikipedia

   en.wikipedia.org/wiki/Stellar_black_hole

   The angular momentum of a stellar black hole is due to the conservation of angular momentum of the star or objects that produced it. The gravitational collapse of a star is a natural process that can produce a black hole. It is inevitable at the end of the life of a massive star when all stellar energy sources are exhausted.

7. Supernova - Wikipedia

   en.wikipedia.org/wiki/Supernova

   At low metallicity, all stars will reach core collapse with a hydrogen envelope but sufficiently massive stars collapse directly to a black hole without producing a visible supernova. [ 104 ] Stars with an initial mass up to about 90 times the Sun, or a little less at high metallicity, result in a type II-P supernova, which is the most commonly ...

8. How to watch the Quadrantids, one of the strongest meteor ...

   www.aol.com/watch-quadrantids-first-meteor...

   Sky-gazers on the east coast of North America may see up to 25 meteors streaking across the skies, while those on the west coast could see double that amount due to a later sunrise, Lunsford said.

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