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extrasolar planet
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Images & Videos
HD 209458b
Explore exoplanets and the techniques used to detect them
extrasolar planet WASP-96b spectrum HR 8799 system Kepler-62f artist's conception of Kepler-186f
Know how astronomers spot extrasolar planets, also called exoplanets
Know about the various methods used to discover numerous exoplanets
Learn how the planets of Trappist-1 were discovered and about their potential for liquid water and life
For Students
extrasolar planet summary
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
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.
Brightest Star in the Solar System
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
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
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extrasolar planet: Facts & Related Content

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News •

Scientists detect signature of life on a distant planet, study suggests • Apr. 18, 2025, 5:45 AM ET (CNN)
Scientists find strongest evidence yet of life on a distant planet • Apr. 17, 2025, 11:55 PM ET (CNN)
Chemical Hints on a Distant Planet Offer 'Strongest Evidence Yet' for Life Outside Our Solar System, Astronomers Say • Apr. 17, 2025, 10:23 AM ET (Smithsonian Magazine)
Scientists find promising hints of life on distant planet K2-18b • Apr. 16, 2025, 2:42 PM ET (BBC)

Facts

Also Known As exoplanet

Photos and Videos

HD 209458b
extrasolar planet WASP-96b spectrum
HR 8799 system
Kepler-62f
artist's conception of Kepler-186f
Explore exoplanets and the techniques used to detect them
Know how astronomers spot extrasolar planets, also called exoplanets
Know about the various methods used to discover numerous exoplanets
Learn how the planets of Trappist-1 were discovered and about their potential for liquid water and life
See All Videos and Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Michel Mayor
Swiss astronomer
Didier Queloz
Swiss astronomer

Related Quizzes and Features

Quiz
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.
Brightest Star in the Solar System
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
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
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
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
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