New posts in Telescopes

How does a telescope make an image larger by shrinking it?

Why don't (can't) astronomers take advantage of interferometry to the extreme?

Is the black hole image in false color?

How did Jocelyn Bell aim her radio telescope (phased array)?

How big would my telescope have to be if I wanted to see the Mars rover from my backyard?

What is the physical meaning of magnifying power of a telescope?

Are Hubble Telescope Images in true color?

Are there any astronomical objects at night that are dangerous to look at (through a telescope)?

Why did high quality mirrors use aluminum coatings instead of silver?

Why does a blue sky at dusk appear nearly black through a telescope?