What are the problems with using telescopes?

Why can we learn more about the universe as telescopes improve?

What is a spectrometer?

What is the LIFE-CYCLE of a star

What are the TWO pieces of evidence for the Big Bang Theory,

What is red shift?

What are the two theory's of how the universe was created called?

What does cmb radiation stand for?

Note: Scientists have detected low frequency electromagnetic radiation coming from.........turn over

What is the most accepted theory?

What is the smallest planet (not including Pluto)

What is the biggest planet?

Which planet is furthest away from the sun?

What is the name of our galaxy

What is a galaxy?

What does SETI stand for?

What do scientists look for from outer space when searching for aliens?

What do space landers do?