Telescopes are fun to point around the sky, but they’re even better when you have some idea of what you’re actually looking at. Experienced sky-gazers love nothing more than whipping out some ...

Just how powerful is the world's most powerful telescope? Let's start with the human eye. The human eye has an angular resolution of about 1 arcminute. That's pretty impressive. Take a circle ...

Construction of the world's largest telescope has reached its highest point with assembly of the roof's dome and large sliding doors that will shield the observatory. The European Southern ...

as did the Hubble Telescope. Webb's images show a tight point of light with ejecta expanding outward. The observations retained more data than Hubble's. The Orion Nebula sits 1,300 light-years ...

Now, using the James Webb Space Telescope (JWST), astronomers may have cracked this puzzle, finding the first evidence of a supermassive black hole at the heart of M83, also known as NGC 5236 ...

This book summarizes the science to be carried out by the upcoming Cherenkov Telescope Array, a major ground-based gamma-ray observatory that will be constructed over the next six to eight years. The ...

How can you fairly compare one telescope to another? It's all in the (angular) resolution. The entire point of introducing telescopes into astronomy is to make distant things more visible.

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