If a planet was located approximately 27 thousand light-years from the center of a galaxy and orbits that center once every 272 million years, how fast is the planet traveling around the galaxy in km/hr? If needed, use 3.0 × 108 m/s for the speed of light.
If a planet was located approximately 27 thousand
light-years from the center of a galaxy and orbits that center once every 272 million years, how fast is the planet traveling around the galaxy in km/hr? If needed, use 3.0 × 108 m/s for the speed of light.
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