New answers tagged

0

The images are taken by very very powerful telescopes, like Hubble and Kepler. The images are also taken by space stations and satellites in form of radio waves which are electromagnetic waves. So the images are not damaged since radio waves need no medium to travel/ But the images are taken in black and white, which can later be coloured according to their ...


5

It depends on what you mean by "real". Let's start with the Andromeda galaxy, which is easily visible with the unaided eye from the Northern hemisphere (and probably from a large part of the Southern hemisphere, too), but it does not look anything like what you are used seeing in photographs. It looks like a small, pale cloud in a dark patch of the sky and ...


0

How do we get images of galaxies? With cammeras and film, with or without a telescope that magnifies what one sees, as here: NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light-years in diameter and approximately 60 million light-years away from Earth . You ask: I mean, suppose you have to take a ...



Top 50 recent answers are included