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Double stars are systems consisting of two stars that are gravitationally bound and orbit around a common center of mass. They can be classified into two main types: visual binaries, which can be resolved into two distinct stars through a telescope, and spectroscopic binaries, which cannot be individually seen but are identified through their spectral lines. Double stars provide valuable insights into stellar mass, composition, and evolutionary processes. Some well-known examples include Alpha Centauri and Sirius, which is the brightest star in the night sky.

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3w ago

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A star has a planet held in orbit by gravitational attraction if the mnass of the star were doubled what effect would this have on the gravitational attraction between the star and its planet?

Double the mass means double the attraction in this case.Double the mass means double the attraction in this case.Double the mass means double the attraction in this case.Double the mass means double the attraction in this case.


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