Facts About Space Planets and Spacecraft|Explore the Universe hey,
Facts about Space
- In 1977, America launched the space shuttle, the world’s first reusable spacecraft.
- Space is not a complete vacuum. There are about 3 atoms per cubic meter of space. Massive understatement of the century: that’s not a lot.
- Coca-Cola was the first drink that was ever consumed in space.
- In 2004 astronomer discovered a star entirely made of diamonds.
Facts about planets
6. The only planet that spins backward, relative to the other is Venus.
Facts about Mars
7. The highest mountain known to man is the Olympus Mons, which is located on Mars. Its peak is 15 miles (25 km) high, making it nearly 3 times higher than Mount Everest.
8. Volcanoes on Mars can grow to such immense size because gravity is much weaker on the Red Planet than it is on Earth. But how those volcanoes came to be in the first place is not well known. There is a debate as to whether Mars has a global plate tectonic system and whether it is active.
9. The lack of active plate tectonics on Mars makes it tough to figure out how the canyon formed. Some scientists even think that a chain of volcanoes on the other side of the planet, known as the Tharsis Ridge, somehow bent the crust from the opposite side of Mars, thus creating Valles Marineris. A more close-up study is needed to learn more, but you can’t send a rover over there easily.
10. Jupiter is known as the dumping grounds for our solar system, as a large percentage of asteroids are pulled in by Jupiter’s gravity.
11. Saturn’s density is low enough that the planet would float in water.
12. Although Saturn is the second largest planet in our solar system, it is also the lightest planet!
13. Saturn is the second largest planet in our solar system. It has a radius of 36,184 miles (58,232 km).
14. Uranus was originally called “George’s Star.” The name “Uranus” was proposed in 1782, but not official until 1850.
15. Seasons last 21 years on
16. Uranus’ blue glow is down to the methane in its atmosphere, which filters out all the red light.
17. The only large moon in our solar system to orbit in the opposite direction of its planet is Neptune’s moon, Triton.
18. Triton, one of Neptune’s moons, is gradually getting closer to the planet it orbits. Scientists believe that eventually, Triton will get so close to Neptune, it will be torn apart by gravity, and Neptune could end up with more rings than Saturn currently has.
19. Neptune takes 164.79 years (60,190 days) to make one orbit of the Sun. this means that since its discovery in 1846, it has only completed just one orbit!
20. Pluto is named after the Roman god of the underworld, not the Disney Dog.
21. Pluto is smaller than the Earth’s moon. It’s even smaller in diameter than the United States.
Facts About Space Planets and Spacecraft
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