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Introduction References & Edit History Related Topics

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How much air do you breathe in a lifetime?

Understand the process and the factors involved in cloud formation

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Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.

16 Questions About Earth’s Atmsophere and Weather Answered

September 11, 2005, ozone thinning over antarctica reached its maximum extent for the year.

Is the Ozone Layer Finally Healing Itself?

Hot-air balloon against a sky (clouds, hot air ballooning, recreation)

Why Is the Sky Blue?

A quarter moon is visible in this oblique view of Earth's horizon and airglow, recorded with a digital still camera on the final mission of the Space Shuttle Columbia.

How Much Does Earth’s Atmosphere Weigh?

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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

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

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

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

All Saints Day. All Souls Day. Candles in cemetery in Poland on All Saints Day, November 1. All Souls Day, November 2. Christian church, All Hallows, Solemnity of All Saints, Feast of All Saints, purgatory, Roman Catholic church

7 Unique Burial Rituals Across the World

Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

air: Related Content

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News •

California Cities Top List For Worst Air Pollution • Apr. 25, 2025, 5:47 AM ET (The Weather Channel)

More Americans Exposed To Unhealthy Air Pollution Levels, Study Finds • Apr. 23, 2025, 11:57 PM ET (Forbes)

Videos

How much air do you breathe in a lifetime?

Understand the process and the factors involved in cloud formation

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Topics

compressed air chemical element atmosphere air-cushion machine hydrogen air pollution nitrogen oxygen xenon helium ionosphere and magnetosphere ozone layer aurora rainbow chemical equator Kármán line halo atmospheric corona Brocken spectre aureole

Dig Deeper: More Articles That Discuss This Topic

evolution of the atmosphere: Introduction

Key People

Anaximenes Of Miletus

Greek philosopher

Carl von Linde

Carl von Linde

German engineer

Cavendish, Henry

Henry Cavendish

British physicist

Robert Boyle

Robert Boyle

Anglo-Irish philosopher and writer

Ctesibius of Alexandria

Ctesibius Of Alexandria

Greek physicist and inventor

Francis Hauksbee, the Elder

English scientist

Quiz

Iceland, Glacier lagoon (Jokulsarlon)

Winter Weather Words Quiz

List

Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.

16 Questions About Earth’s Atmsophere and Weather Answered