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??
1) I don’t no why you need to fight it, but then again the human race likes war so we probably would. But it could let us see an attack or a race of people coming towards us so that we could get defenses ready
2) It is better to use satellites because they can cover a wider area then something such as a telephone wire.
3) I have no clue