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Carl Sagan
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For Students
Carl Sagan summary
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
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
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
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
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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
Thanksgiving Turkey with all the sides
Why Do We Eat Turkey on Thanksgiving?
The tomb of Saint Nicholas in the crypt of the Basilica di San Nicola, Bari, Apulia, Italy
Do the Relics of Saint Nicholas Really Emit a Holy Substance?
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?
Image of Antenna galaxy
The Fermi Paradox: Where Are All the Aliens?
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
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

Carl Sagan: Quotes

  • Understanding
    The brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.Carl Sagan: Broca's Brain