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Space and the Solar System
Transcript of Space and the Solar System
Diameter: 4,878km (3,032 miles) at its equator, which is about two-fifths of Earth's diameter.
Orbit: 57,910,000 km (0.38 AU) from Sun. Orbiting the Sun once every 88 days.
Average Distance: About 58 million km (36 million miles)
Time to Rotate: 58.6 days
Mass: 3.30e23 kg (5.5% of Earth's)
Period of Rotation: 58.6462 days. 1. The Earth is around 4.6 billion years old.
2. The Earth is the densest planet in the Solar System.
3. The Earth's atmosphere is composed mainly of nitrogen (77%), oxygen (21%), argon (.93%), and carbon dioxide (0.03%).
4. Earth is the fifth largest planet in the Solar System.
5. The Diameter of the Earth is 12,756 km
6. The earths orbital speed is 29.8 km per second.
7. The Earth has only one satellite, the Moon. The Moon is the second brightest object in the sky.
8. Earth has an average surface temperature of 13 degrees C (55.4 degrees F). The planet would be much colder without greenhouse gasses, such as carbon dioxide and water vapor, to trap outgoing thermal radiation. The greenhouse effect raises the planet's temperature 35 degrees C (95 degrees F). Neil Armstrong was the first man to set foot on the moon. His famous words were, "One small step for man, one giant leap for mankind." This is the Apollo rocket that took the crew into space. Most of this rocket is sent back down to earth and only a fraction of it lands on the moon. This is the lunar module that landed on the moon. One of the astronauts remained obiting the moon while the other two, including Neil Armstrong, went down to the surface to walk on the moon. The hubble space telescope can see into space further than humankind has ever seen before. When Hubble was put into space for the first time it didn't work correctly because the complex set of mirrors inside the telescope were not aligned properly and therefore the images it was beaming down to earth were blurred. NASA had to spend millions of dollars to send a crew up to the telescope to fix it. Once it was fix, Hubble transmitted pictures of the universe that had never been seen before.