about space

Posts : 162 Join date : 2011-03-02 Location : Fremont, CA

Properties of the Milky Way:
Diameter of the Galaxy 90 000 light years
Classification of the Galaxy SBbc
Number of stars in the Galaxy 200 billion
Mass of the Galaxy 1 trillion solar masses
Length of the central bar 25 000 light years
Distance of the Sun from the centre 26 000 light years
Thickness of the Galaxy at the Sun 2000 light years
Velocity of Sun around the Galaxy 220 km/s
Orbital period of Sun around the Galaxy 225 million years

http://www.atlasoftheuniverse.com/
http://en.wikipedia.org/wiki/List_of_nearest_galaxies

PS: edge of the visible universe: 14 Billion Light Years from the Sun

Posts : 55 Join date : 2013-04-09 Age : 46

Chances of playing a fun game of SPORE once you make it to the space age...15%.