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telescope
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Keck Observatory Galileo's telescopes refractor at Lick Observatory focal length of a lens refracting telescope telescope at Birr Castle concave mirror Newton's reflecting telescope Cassegrain reflector Schmidt telescope
For Students
telescope summary
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
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Infinite space background with silhouette of telescope. This image elements furnished by NASA.
Telescopes: Seeing Stars
Discover
Adolf Hitler (Nazi, nazism, German leader).
9 Things You Might Not Know About Adolf Hitler
Black widow spider
9 of the World’s Deadliest Spiders
Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet
10 Failed Doomsday Predictions
United States Electoral College votes by state
How Many Electoral College Votes Does Each U.S. State Have?
Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson
Vietnam War Timeline
Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere
Why Do Some Cicadas Appear Only Every 17 Years?
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?

telescope: Facts & Related Content

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Facts

Also Known As telescope

Photos and Videos

Keck Observatory
Galileo's telescopes
refractor at Lick Observatory
focal length of a lens
refracting telescope
telescope at Birr Castle
concave mirror
Newton's reflecting telescope
Cassegrain reflector
Schmidt telescope
Learn about Lord Rosse's Birr Leviathan telescope and its various important discoveries, the most important being the detailed observations of many nebulae at Birr Castle, Ireland
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Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Lewis Morris Rutherfurd.
Lewis Morris Rutherfurd
American astrophysicist
Giuseppe Campani
Italian inventor

Related Quizzes and Features

Quiz
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz