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Interesting Facts

  • The highest mountain discovered is the Olympus Mons, which is located on Mars.

  • A light-year is the distance covered by light in a single year.

  • The Milky Way galaxy is 105,700 light-years wide.

  • The International Space Station is the largest manned object ever sent into space.

  • Only 5% of the universe is visible from Earth.

  • The first ever black hole photographed is 3 million times the size of Earth.

  • There are 88 recognized star constellations in our night sky.

  • An adult human body is made up of about 7 octillion atoms.

  • Humans spend about five years of their lives eating.

  • Adult humans spend about 33% of their lives asleep.

  • The largest bone in the human body is the femur. It can support 30 times the weight of a person's body.

  • The hardest bone in the human body is the jawbone.

  • Messages from the human brain travel along nerves at up to 200 miles an hour (322 km/h).

  • If a human being’s DNA were uncoiled, it would stretch 10 billion miles, from Earth to Pluto and back.

  • The brain is more active at night than during the day. Scientists don't know yet why this is.

  • All babies are color blind at birth, they see only black and white.

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