Science, Maths & Technology
Astronomy: images of the Universe
...concept of apparent magnitude. The brightest objects in the night sky have apparent magnitudes of around 1, whereas the faintest that can be seen with the naked eye have apparent magnitudes of around 6. Because of the way in which human eyes work, objects with magnitude 6 are in fact about 100 times fainter than those with magnitude 1: each decrease of one magnitude...