Many companies sell astronomical telescopes for purchasing. Companies that sell this product include Amazon, Orion Telescopes & Binoculars, and Young Explorers.
There are many places where one can purchase spotting telescopes. Spotting telescopes can be purchased from most retailers that specialize in telescope products. One may also use online retailers such as Amazon to purchase these telescopes.
One can purchase the Skywatcher brand of telescopes on the online store, such as Amazon or eBay. You can also go to their website to purchase the Skywatcher brand of telescopes.
Thousands of people still do build their own astronomical telescopes; it isn't that hard to do.
Nope. they dont.
The most serious astronomical research, such as that done by the Hubble Space Telescope, is done with reflecting telescopes.
An "observatory".
All major astronomical telescopes are equipped with spectrographs, including the Hubble and Spitzer Space Telescopes.
George McHardie has written: 'Preparation of mirrors for astronomical telescopes' -- subject(s): Reflecting telescopes, Mirrors
Observatory or astronomical observatory.
The three major types are the optical, the infrared, and the radio telescopes. There are other specialized instruments for observing gamma rays, or x-rays, or for doing processes such as interferometry. Among the optical telescopes are the refracting (lens), reflecting (mirror) and compound telescopes (computer-assisted combinations of several smaller telescopes to simulate a much larger one).
There are many places online that one can find and purchase used telescopes. One of the most trusted and cheap places to buy these is the website called ebay.
Yes, there are telescopes aboard many satellites that perform astronomical observations.