More cards in this set

Magnifaction is equal to...

A large telescope is used when collecting radation for what type of source?

The apperture of a telescope is.....

What factor effects where telescopes are situated?

What is the purpose of international collaboration?

The movement of planets is expained by their orbit of what?

A sidereal day is how minutes shorter than a solar day?

A solar day is how long?

A parasec is a measure of what

Why are solar eclipses so rare?