Perseus

Table of Contents

Introduction References & Edit History Related Topics

Read Next

Colorful winter sunset

What's the Difference Between a Solstice and an Equinox?

Discover

Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

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?

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

Submerged sperm whale off east Sri Lanka coast, mammal

How Did the Sperm Whale Get Its Name?

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

NBA Lakers Celtics Finals Kevin Garnett shooting.

10 Great Sports Rivalries

Perseus: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Astronomers discover dark matter 'bridge' linking colliding galaxies: 'This is the missing piece we've been looking for.' • Apr. 23, 2025, 8:04 AM ET (Space)

Cosmic Hit-and-Run Mystery Solved: 'This Is the Missing Piece' • Apr. 22, 2025, 7:44 AM ET (Newsweek)

Topics

Orion Pleiades Ursa Minor Ursa Major Cassiopeia Ophiuchus Gemini Sagittarius Crux Taurus

Quiz

Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)

Stars: Explosions in Space