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Planet Earth and lunar moon from space

Where Did the Moon Come From?

Earth from space. Full-hemisphere views of the Earth showing Hurricane Linda at its peak approaching Baja California on 1997 September 11.

What Is Earth’s Velocity?

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?

Discover

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news

Who Invented the Internet?

Poker game. Card game. Royal Flush in poker. Hearts suit gambling

Poker Hands Ranked

Aspirin pills.

7 Drugs that Changed the World

Big beaver gnawing on limb at river's edge

6 Animal Species that Mate for Life

space debris in Earth orbit, dangerous junk orbiting around the blue planet

How Much Trash Is In Space?

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