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An optical telescope is one that is desigend to see light. Other telescopes will observe some other radiation, usually some kind of electromagnetic radiation. This can include anything in the EM spectrum: radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays.
Watching the Universe in these radiations makes it possible to see some things that are not visible in normal light. For example, far-away objects in our Solar System will not reflect a significant amount of light, but can be visible in infrared.
What else can I help you with?
When did Galileo see in his telescope?
Galileo saw in his telescope when it was 1995
Can you see Mercury without a telescope?
Yes, one can see Mercury even without a telescope.
Can neptune be seen without a telescope at night?
No. No. You need a telescope to see Neptune.Nope... Neptune cannot be seen from the Earth without a telescope.
What kind of telescope is used to see Saturn?
You can see Saturn with any kind of telescope. In fact, you can see it without a telescope. For professionals and serious amateurs, the type of telescope used depends on what specific property or characteristic of Saturn they're interested in.
Can titan be seen without a telescope?
No. You need a telescope to see Titan.
How do you see planets?
by a telescope
How can you see comets?
TELESCOPE
What does portable?
tO SEE IN A TELESCOPE
How far can a telescope see into the sky?
The type of telescope determines how far it can see into the sky. It becomes a question of details. A naked eye can see a lightyear away but not details. A standard telescope can see to the 10th magnitude while the eye can see to the 6th.
How do a microscope and telescope differ?
A telescope lets you see things far away and a microscope lets you see see things that are really small
What is a reflector telescope?
It's a telescope,that uses reflectors for you to see the objective ;D.
What is the name of the telescope that they use to see galaxies?
the hubble telescope edwin hubble :)
