March 23, 2009

how might telescopes help astronomers fight extra-terrestrial intelligence in the universe?

Can you answer Valene C's question about Binoculars?:

1)how might telescopes help astronomers fight extra-terrestrial intelligence in the universe?

2)what are the advantages of using satellites for ocmmunication?
3) Whatis special about the period of orbit of a geosynchronous satellite??

PLZ HELP!

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