for the astronomy crossword puzzle the answer is piece
Usually, by using your eye sight, optical telescope, or radio telescope.
Eye to the Telescope was created on 2004-12-13.
The Hubble Space Telescope is the "Eye in the Sky."
You could see Neptune from Earth with a telescope if you knew exactly where to look.
Neptune was discovered using a telescope.Uranus was discovered with the naked eye, but because of it's slow rotation it was believed to be a star. Only with a telescope was it identified as a planet.
telescope
The naked eye is more portable, can be transported easily to remote locations, can be set up and ready for operation in less time than a telescope can, and it requires much less peripheral equipment and accessories to follow the motion of objects under observation, especially when the motions are unpredictable.
Yes, you can see it without one also. To the naked eye, it looks like a fairly bright star. Using a telescope will allow you to see its ring system though.
Galileo discovered stars by using the telescope?
Telescopes can make it easy to see all the way into space, where as the human eye can not see very far at all.
The Amazon River was not discovered by Galileo using a telescope.