THEY DISCOVOR STUFF like stars and planets
with radio waves
Telescopes have helped discover many things in space that are not visible such as some of the outer planets of our solar system.
well they use the telescopes so they can look in space some telescopes have helped people discover new planets
you can travel up in a spaceship!! and there is a fact that we have space telescopes satilites all above to
Yes, the earliest telescopes made things look thousand of times closer than they were, and modern telescopes still do that.
We can see more stuff.
One reason for sending telescopes into space is so that people can get a better look at the stars the second reason for this is so that scientist can discover more about stars.
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Modern Marvels - 1994 Observatories Stonehenge to the Space Telescopes 3-3 was released on: USA: 8 June 1997
Either by actually seeing it with telescopes, or by seeing the effect that it's gravity has on nearby objects.
Scientists are currently using mirror telescopes in space that do not have to deal with light pollution and are more clear than lens telescopes to take pictures of the solar system. They are also using radio telescopes to try and discover extra terrestrial life.
No exact number is known. Certainly many billions of them