idontknow
The instrument scientists use to observe the planets is a high powered telescope.
Galileo
Galileo was the first astronomer to use a telescope to observe celestial objects in detail. This helped him make groundbreaking discoveries such as the moons of Jupiter and the phases of Venus, which provided strong evidence for the heliocentric model of the solar system.
Galileo is the first person that we know of who pointed his telescope up. Or at least, he was the first person who wrote about doing so.
To observe the stars, you would use a telescope.
Galileo
Galileo
Galileo
The first person to use a telescope for astronomical observation was Galileo Galilei in the early 17th century. He made groundbreaking discoveries, such as the moons of Jupiter and the phases of Venus, using his telescope.
Terrestrial telescope
telescope.
telescope