P1- The Earth and Universe
- Created by: Liem Mao-Tran
- Created on: 24-05-16 17:07
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- P1- The Earth and Universe
- The solar system
- There are eight planets orbiting the sun.
- Dwarf-planets, comets and asteroids also orbit the sun
- The solar system is around 5 thousand million years old
- Stars are huge, very hot, give out lots of light and are very far away.
- Planets are small and just reflect sunlight.
- Asteroids and comets are made of stuff left over from the formation of the solar system
- Beyond the Solar System
- The universe contains more a thousand million galaxies.
- Distance in space is measured in light years
- Light travels at 300,000km/s in a vaccum
- Light years are a measurement of distance
- The Earth and Sun are around 5,000 million years old while the universe is around 14,000 years old.
- Looking into space
- The solar system
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