Science Facts, Did you know?

• 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.