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astronomy
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Hubble Space Telescope
Brian May: Queen guitarist and astrophysicist
nickel-iron meteorite stellar distances Doppler shift Jupiter scale of the solar system solar system to scale Saturn Mercury
For Students
Hubble Space Telescope, 2002.
astronomy summary
Quizzes
constellation virgo, astronomy
Constellations of the Zodiac and Their Signs Quiz
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)
Stars: Explosions in Space
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
Related Questions
Read Next
Solar system illustration. (Sun; planets)
A Model of the Cosmos
Infinite space background with silhouette of telescope. This image elements furnished by NASA.
Telescopes: Seeing Stars
Arrangement of the phases of the moon in total eclipse with Blood Moon
9 Celestial Omens
solar eclipse, sun, moon, astronomy, space
How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?
Mars rover. Mars Pathfinder. NASA. Sojourner.
10 Important Dates in Mars History
Discover
Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.
6 Animals We Ate Into Extinction
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
Ten Days That Vanished: The Switch to the Gregorian Calendar
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Aspirin pills.
7 Drugs that Changed the World
Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.
What Is the Emoluments Clause?
Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.
7 Deadliest Weapons in History

astronomy: Related Content

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Photos and Videos

Hubble Space Telescope
nickel-iron meteorite
stellar distances
Doppler shift
Jupiter
scale of the solar system
solar system to scale
Saturn
Mercury
Charon
Brian May: Queen guitarist and astrophysicist
Learn more about the Nice model of solar system evolution and how samples brought back from the Moon fit within it
Five facts about solar eclipses
Kepler's revolutionary laws of planetary motion
How the big-bang theory was developed
See All Videos and Images →

Related Topics and References

Topics
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Key People

Fred L. Whipple
American astronomer
Alvan Graham Clark
American astronomer
Johannes Kepler
Johannes Kepler
German astronomer
Nicolaus Copernicus
Nicolaus Copernicus
Polish astronomer
Galileo
Galileo
Italian philosopher, astronomer and mathematician
Giordano Bruno
Giordano Bruno
Italian philosopher
Six astronomers, after Gerard Hoet (1692)
Hipparchus
Greek astronomer
William Herschel
William Herschel
British-German astronomer
Al-Bīrūnī, Afghan commemorative stamp, 1973.
al-Bīrūnī
Persian scholar and scientist
Carl Friedrich Gauss
Carl Friedrich Gauss
German mathematician
Henry Norris Russell
American astronomer
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer
Tycho Brahe
Tycho Brahe
Danish astronomer
Edmond Halley
Edmond Halley
British scientist
Edwin Hubble
Edwin Hubble
American astronomer
Sima Qian
Sima Qian
Chinese historian and scientist
Sir William Rowan Hamilton
Irish mathematician and astronomer
Christiaan Huygens
Christiaan Huygens
Dutch scientist and mathematician
Friedrich Wilhelm Bessel
Friedrich Wilhelm Bessel
German astronomer
Arthur Stanley Eddington.
Arthur Eddington
British scientist

Related Quizzes and Features

Quiz
This artist's concept illustrates Kepler-16b, the first planet known to definitively orbit two stars -- what's called a circumbinary planet. The planet, which can be seen in the foreground, was discovered by NASA's Kepler mission. The two orbiting stars r
Extrasolar Planets
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
27 True-or-False Questions from Britannica’s Most Difficult Science Quizzes
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
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
36 Questions from Britannica’s Most Popular Science Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)
Stars: Explosions in Space
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
constellation virgo, astronomy
Constellations of the Zodiac and Their Signs 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
List
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
6 Questions About the Sun Answered
Mars rover. Mars Pathfinder. NASA. Sojourner.
10 Important Dates in Mars History
Planet Earth and lunar moon from space
Where Did the Moon Come From?
Demystified
solar eclipse, sun, moon, astronomy, space
How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?
Colorful winter sunset
What's the Difference Between a Solstice and an Equinox?