Carl Sagan

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Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)

How Fast Is the Universe Expanding?

Planet Earth and lunar moon from space

Where Did the Moon Come From?

solar eclipse, sun, moon, astronomy, space

How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?

William Shatner and Leonard Nimroy as Captain James T. Kirk and Spock in the tv show Star Trek 1966-1969

50th Anniversary of Star Trek

Arrangement of the phases of the moon in total eclipse with Blood Moon

9 Celestial Omens

Discover

Chinese dragon sculpture or statue.

10 Legendary Creatures from Around the World

bat flying

Are Bats Really Blind?

American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

What’s the Difference Between Bison and Buffalo?

Image of Antenna galaxy

The Fermi Paradox: Where Are All the Aliens?

Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint

8 of the Largest Empires in History

Dr. Martin Luther King Jr. addresses marchers during his "I Have a Dream" speech at the Lincoln Memorial in Washington. August 28th 1963

Was Martin Luther King, Jr., a Republican or a Democrat?

Casino. Gambling. Slots. Slot machine. Luck. Rich. Neon. Hit the Jackpot neon sign lights up casino window.

Brain Games: 8 Philosophical Puzzles and Paradoxes

Carl Sagan: Facts & Related Content

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

Facts

Also Known As	Carl Edward Sagan
Born	November 9, 1934 • New York City • New York
Died	December 20, 1996 (aged 62) • Seattle • Washington
Awards And Honors	Pulitzer Prize (1978)
Notable Works	“Contact” • “Demon-Haunted World: Science as a Candle in the Dark” • “The Dragons of Eden: Speculations on the Evolution of Human Intelligence”
Subjects Of Study	amino acid • chemical synthesis • extraterrestrial intelligence • extraterrestrial life • origin of life
Role In	SETI

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USA 2006 - 78th Annual Academy Awards. Closeup of giant Oscar statue at the entrance of the Kodak Theatre in Los Angeles, California. Hompepage blog 2009, arts and entertainment, film movie hollywood

Pop Culture 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

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

View of the Andromeda Galaxy (Messier 31, M31).

Astronomy and Space Quiz