Galileo
* The telescope helps us understand space and the stars and other planets.
looking at the stars moon and other planets
That is a telescope
THEY DISCOVOR STUFF like stars and planets
A spectrometer is used to determine the composition of stars, and how fast they are going relative to Earth.
Asteroids.
A telescope
Arecibo
the sun, stars, planets, moon, through a telescope
An astronomical telescope is one that is used in astronomy - i.e., to watch stars, planets, comets, etc.
Galileo Galilei used a telescope to make detailed observations of the stars and planets. He is most well known for suggesting that the Earth revolves around the Sun, and not the other way around.
To see planets, stars, comets and to take pictures.