Ask an Astronomer Answer Archive
- What kind of binoculars should I buy to see the rings of Saturn?
- I am interested in becoming an amateur astronomer. What kind of telescope should I buy, and where should I go to see dark skies?
- I am new to astronomy, and am going to buy a telescope. Do you have any recommendations?
- What kind of telescope should I buy, and where are good places to observe the night sky?
- How do astronomers decide where to put their observatories?
- What are the pros and cons for building space observatories like the Hubble Space Telescope? Why do we do it?
- What is an interferometer? How are they used to find planets?
- Can two optical telescopes placed hundreds of miles apart be used as a powerful interferometer?
- What is the orbital period of the EUVE orbiting space telescope?
- What is the limiting magnitude for binoculars/telescopes? Do city lights affect this limiting magnitude?
- Where can I find the spectra of various elements?
- Where can I find details about the space telescope?
- How do I use RA and Dec with my telescope to find objects in the sky?
- How do I collimate my telescope mirror?
- When and how should I clean my telescope eyepiece?
- Which is the better telescope: a 16-inch dobsonian, or a 12.5-inch mounted reflecotr?
- Is the large telescope at Lick Observatory 3 meters or 120 inches?
- Why do Hubble Space Telescope pictures have a part missing?
- What discoveries have been made with telescopes?
- How can I find the planets through my telescope?
- How can I safely view the sun through my telescope
- Can I use welder's glass along with a telescope to safely view the sun?
- How do you make large lenses for telescopes?