Telescopes can be used.
to see what the planets look like. and to see what they would do over time.
because some of the planets reflect lights from the sun like Venus.
teliscopes
You can see all of them in the sky at night.
No. Planets do not have comets. They are not related to planets. They are just objects flying through space that we can see in the sky.
Digital Sky Technologies was created in 2005.
Planets but the look like stars
Stars The Moon The sun Galaxies Nebulae Satellites
People commonly look through telescopes to see into space. Telescopes are used by NASA to see stars and planets very far away, and less sophisticated models are used to see planets in our solar system, or even the moon.
planets stay in the sky due to the pull of gravity
Yes. To date scientists have discovered well over a thousand planets orbiting other stars. It is believe that a large portion of the stars in the night sky have planets.
The luminosity of the sky makes the planets undetectable. The Moon however can often be seen in the daytime because it's so bright.