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KIC 9832227 is a contact binary star system in the constellation Cygnus, ... "Spectacular collision of suns will create new star in night sky in 2022".
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.
The origin and properties (masses and spins) of a double neutron star system like GW170817 are the result of a long sequence of complex binary star interactions. [41] The gravitational wave signal indicated that it was produced by the collision of two neutron stars [9] [18] [20] [42] with a total mass of 2.82 +0.47 −0.09 solar masses (M ☉). [2]
17 August 2017: Gravitational wave detected from merger of two neutron stars (00:23 video; artist concept). On 17 August 2017, the LIGO and Virgo interferometers observed GW170817, [7] a gravitational wave associated with the merger of a binary neutron star (BNS) system in NGC 4993, an elliptical galaxy in the constellation Hydra about 140 million light years away. [8]
NGC 4993 was the site of GW170817, a collision of two neutron stars, the first astronomical event detected in both electromagnetic and gravitational radiation, a discovery given the Breakthrough of the Year award for 2017 by the journal Science.
The newly-discovered binary star system, which is home to two stars gravitationally bound to one another, was found in a dense stellar cluster orbiting Sagittarius A*, which has an estimated mass ...
A likely scenario is a collision with a binary star system, or between two binary systems containing white dwarfs. This collision can leave behind a close binary system of two white dwarfs. Their orbit decays and they merge through their shared envelope. [27]
The 'oldest known nova' (a star explosion) in the sky was actually not a nova, astronomers show. How we solved a centuries-old mystery by discovering a rare form of star collision Skip to main content