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Sun
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References & Edit History Related Topics
Images, Videos & Interactives
Joshua Tree National Park solar system to scale Inland Sea photosphere of the Sun Planets of Our Solar System
How to watch a solar eclipse
Explore the physics behind nuclear fusion and the Sun
evolution of a Sun-like star internal rotation of the Sun
Observe a dopplergram showing the velocity of solar material in the photosphere captured by the Helioseismic and Magnetic Imager
For Students
imaging using ultraviolet light
Sun 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
Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)
Stars: Explosions in Space
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
Related Questions
Read Next
solar eclipse, sun, moon, astronomy, space
How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?
Solar Eclipse, Eclipse, Solar Flare, Outer Space, Astronomy
What Causes Lunar and Solar Eclipses?
Solar system illustration. (planets; sun)
Why Are Planets Round?
Solar system illustration. (Sun; planets)
A Model of the Cosmos
Colorful winter sunset
What's the Difference Between a Solstice and an Equinox?
Discover
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Hemp (Cannabis sativa).
9 Mind-Altering Plants
Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.
6 Wars of Independence
African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?

Sun: Related Content

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News •

PUNCH sees first light, prepares to study how the Sun creates our space weather • Apr. 18, 2025, 11:15 AM ET (Astronomy Magazine)
Rare Isotope of Helium Seen Blasting From a Hole in The Sun • Apr. 16, 2025, 2:35 AM ET (ScienceAlert)
Did you miss the eclipse? Photos show the moon taking a 'bite' out of sun. • Mar. 29, 2025, 11:32 PM ET (USA Today)
Sun will turn into crescent in partial eclipse • Mar. 26, 2025, 10:40 AM ET (The Telegraph)

Photos and Videos

Joshua Tree National Park
solar system to scale
Inland Sea
photosphere of the Sun
evolution of a Sun-like star
internal rotation of the Sun
visible solar spectrum
chromosphere
active region of the Sun
full-disk multiwavelength extreme ultraviolet image of the Sun
How to watch a solar eclipse
Explore the physics behind nuclear fusion and the Sun
Observe a dopplergram showing the velocity of solar material in the photosphere captured by the Helioseismic and Magnetic Imager
Watch gas updrafts form convection cells on the Sun's surface before dissolving or exploding
Inspect X-ray imaging of the Sun's veil of plasma known as the solar corona, sunspots, and gaps in the corona
See All Videos, Images and Interactives →

Related Topics and References

Topics
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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
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
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
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
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
Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)
Stars: Explosions in Space
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
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
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
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?
Solar system illustration. (planets; sun)
Why Are Planets Round?
Colorful winter sunset
What's the Difference Between a Solstice and an Equinox?