Frequently Asked Questions
Classroom Activities
Websites, Books, Other Resources


Frequently Answered Questions

What is the world’s largest telescope?

Who invented the telescope?

Why are many observatories located on mountaintops?

Are any observatories open to the public?

What do astronomers do at an observatory?

How do modern telescopes work?

Is Hubble Space Telescope the only telescope in space?

How do astronomers use space-based telescopes?

How do astronomers find planets outside our solar system?

Do I need a telescope for stargazing?

How do astronomers measure distances to stars and galaxies?