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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?

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

9 Celestial Omens

Solar system illustration. (planets; sun)

Why Are Planets Round?

Blackboard inscribed with scientific formulas and calculations in physics and mathematics

The World Science Festival’s Pioneers in Science

Discover

Human Cannibalism; Johannes Lerii's account of the description of the method the Indians use for "barbecuing" human flesh. Nude Indians barbecuing and eating parts of human bodies; Theodor de Bry.

Cannibalism: Cultures, Cures, Cuisine, and Calories

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

7 Deadliest Weapons in History

Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

Spies Like Us: 10 Famous Names in the Espionage Game

Germans from East and West stand on the Berlin Wall in front of the Brandenburg Gate in the November 10, 1989, photo, one day after the wall opened.

Timeline of the 1980s

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

Eye. Eyelash. Eyeball. Vision.

7 Vestigial Features of the Human Body

B-52G with cruise missiles, USAF, short range attack missiles SRAMs; guided missile

11 of the World’s Most Famous Warplanes

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measurement solar system comet Sun Kuiper belt asteroid meteorite meteor and meteoroid space weather small body planet Ptolemaic system