The two types are refractor and reflector.
In a refracting telescope, the light comes in THROUGH a magnifying LENS where it is REFRACTED (bent) to focus the light into an objective lens.
In a reflecting telescope, the light BOUNCES OFF a curved magnifying MIRROR , and then reflected again on a secondary mirror to direct the light into an objective lens.
Among the advantages of a reflecting telescope are that in a refracting lens, the thickness of the lens can absorb some of the light, while a mirror reflects all of the light. Additionally, a reflecting telescope can "fold" the telescope into a much more compact instrument, which is essential with especially large devices. A large refracting telescope would be enormously heavy and cumbersome.
Ground telescopes and orbital satellite telescopes.
They must be launched in to space because there is a better veiw in space than from earth.
No, "telescopes" is not a collective noun; it is a plural noun that refers to multiple individual telescopes. A collective noun represents a group of individuals or things as a single entity, such as "team" or "flock." In contrast, "telescopes" simply denotes more than one telescope without implying a single unit.
As far as I know, there is no "optical radio telescope". There are, separately, optical telescopes (which work with visible light), and radio telescopes (which work with radio waves).
Some Shoshoni Indian names are Sacagewea and Naya Nuki.
Robot space probes and telescopes
Refecter telescope
These telescopes can be ordered directly from Celestron. They are also available at Amazon, Walmart, and Optics Planet. Models can also be found on eBay.
I'm not aware of any telescopes that begin with the letter "Hub." Telescopes often have names like Hubble, which is named after astronomer Edwin Hubble, or Hubbell, which may be a variation or misspelling of the Hubble Space Telescope.
Telescopes are used to see things that are far away from earth. Using telescopes we can see things that are millions of miles away. Most of the telescopes are on Earth but some of them are in space such as the Hubble Space Telescope.
jhb
We know the telescope was invented by 1608 and soon many people, for example Galileo, were using telescopes. There is some evidence of earlier telescopes, but we aren't certain about that. So, humans have been using telescopes for about 400 years.
The photosphere can be seen with visible-light telescopes, while the chromosphere is most easily observed with ultraviolet telescopes and the corona with X-ray telescopes.
All telescopes work best in the vacuum of space. Aside from that, "where" really is not a great factor compared to other types of telescopes. The distinct advantage of some reflecting telescopes is that they don't suffer from chromatic aberration like refractors do.
Telescopes have helped discover many things in space that are not visible such as some of the outer planets of our solar system.
Telescopes on Earth have to look through the atmosphere (air) which distorts the image. Telescopes in space dont have to look through the atmosphere and so the image is a lot clearer.
Telescopes are typically housed in observatories, which can be located in remote areas to minimize light pollution and atmospheric disturbances. They may also be found in research institutions, universities, and even some private homes. Many modern telescopes, especially space telescopes like the Hubble, are placed in orbit to avoid Earth's atmospheric interference. Additionally, some portable telescopes are kept by amateur astronomers for personal use.