2. Milleniums The first millennium, 1 - 1000 AD, consisted of 365,250 days. The third millennium, 2001 - 3000 AD, will consist of 365,242 days. Our current millennium, 1001 - 2000 AD, will consist of 365,237 days. The reason for the differences is the calendar system that was in use during the milleniums.
4. The first woman in space was a Russian called Valentina Tereshkova
5. Any free-moving liquid in outer space will form itself into a sphere, because of its surface tension.
6. Just 20 seconds worth of fuel remained when Apollo 11's lunar module landed on the moon.
7. The only married couple to fly together in space were Jan Davis and Mark Lee, who flew aboard the Endeavour space shuttle from September 12-20, 1992.
8. Mercury, Venus, earth and Mars are called the inner planets as they are closest to the sun!
9. Olympus Mons, a volcano found on Mars, is the largest volcano found in the solar system. It is 370 miles (595 km) across and rises 15 miles (24 km).
10. Driving at 75 miles (121 km) per hour, it would take 258 days to drive around one of Saturn's rings.
11. We know more about space than we do about our deep oceans!
12. Venus is the only planet that rotates clockwise.
13. One Day on Pluto is about the length of a week on Earth Pluto is no longer a planet. It is now classified as part of the Kuiper Belt.
14. December 21st 1968, was the first time that humans truly left Earth, when Apollo 8 became the first manned space vehicle to leave Earth orbit and to orbit the Moon.
