Space Tools

What is a spectrometer?
How do we get information from spacecraft?
When was the first radio telescope built?
Where is the largest radio telescope?
Where is the largest optical telescope in the world?
When did the first robot rover go to Mars?

What is a space probe?
How far can the Hubble Space Telescope see?
Why do we put telescopes in space?
How fast does the Space Station travel?
What is the International Space Station?

Where is the largest optical telescope in the world?

The largest optical telescopes in the world are the W. M. Keck telescopes on top of the dormant volcano Mauna Kea in Hawaii. At an elevation of 13,800 feet, the Keck telescopes are above much of the cloud cover. The two Keck telescopes each have a diameter of 33 feet!