New posts in Astronomy

How could the precession of Mercury be known so accurately in the 19th century?

How many minutes in a year?

Can something you see through a telescope be behind you?

Is there any advantage in stacking multiple images vs a single long exposure?

Why are pre-main sequence stars brighter than they will be on the main sequence?

Nearest black holes and heavy elements on earth

What angle does our Solar System make with The Milky Way?

What is the scientific basis for comets vs. main-belt comets being composed of different materials?

What on Earth is this drawing of Venus?

Why can we see the moon when it is between the Earth and the Sun?