We just learned about the first satellite in space called sputnik.
We use telescopes to look very far away into outer space at the stars and planets.
Just think how much farther we could see if we could put a telescope into outer space, and look from there!
That's exactly what the Hubble Telescope is:
(From: Wikipedia - hubble space telescope)
Using this telescope that's launched into outer space, we can see some beautiful things that we could never see before,
like this picture of a new star being created over 40 quadrillion miles away!
(From: Wikipedia - hubble space telescope)