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Pinwheeling Through The Sky
2013-06-10 09:49:48

known as M101, the galaxy lies 21 million light-years away in the constellation Ursa Major. It measures 170 000 light-years across – nearly twice the diameter of our own Milky Way Galaxy – and contains at least a trillion stars. About a billion of these stars could be similar to our own Sun.


Word of the Day
whirret
  • To give a box on the ear to.
The word 'whirret' may be onomatopoeic.