How fast do stars move?



  1. 0 Votes

    This is highly dependent upon where, and what type of star. In our galaxy, everything rotates around a central point as a unit, with respect to the background of the universe. There are two types of movement that stars can be measured with: Peculiar movement, which is the star’s motion with respect to general motions in its galaxy, and radial movement, the speed at which the star rotates around the center of its galaxy.
    As our sun is a star, it will help illustrate these ideas:
    The speed of our sun around the center of our galaxy, the Milky Way, is about 250 km/sec. The Sun’s peculiar motion speed is roughly 15 km/sec
    towards the constellation Hercules.

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