The Milky Way Galaxy

                              Milky Way GALAXY 

The Milky Way is the galaxy that contains our Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.

Radius: 52,850 light years

Stars: 250 billion ± 150 billion

sun galactic rotation period :  240 Myr

sun distance to galactic center :  26.4 ± 1.0 kly (8.09 ± 0.31 kpc)

Escape velocity at sun position : 550 km/s

   Did you know !    The stream lies within the Milky Way, approximately 10 kiloparsecs (30,000 light-years) from the Sun, and extending over a region of space at least 10 kpc across in three dimensions.

                                                

   

                              

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