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UNIVERSE, EFFECTS OF THE EARTH ROTATION, EFECTS OF THE EARTH REVOLUTION,…
UNIVERSE
The Solar System
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Planets
- Spherical bodies
- Don`t have own light
- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
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Satellites
- They orbit the planets
- Don`t have own light
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Big Bang theory
- Universe formed 14 billion years ago
- It was a gigantic explosion and creates galaxies
- Galaxies are groups of stars.
- Milky Way is our galaxy
PLANET EARTH
- Formed 4.6 billion years ago
- It is the only where life exists
It has an atmosphere, that protects from radiation.
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CLIMATE ZONES
The tropics
- Between the Tropic of Cancer and the Tropic of Capricorn
- Temperatures are higher in the year.
- Little difference between the seasons
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Polar regions
- Temperatures are always very cold.
- Sun is visible only six months
PARALLELS AND MERIDIANS
Meridians
- Imaginary lines that run North Pole to South Pole
- Prime Meridian or Greenwich: 0º
- The others: 180º East and 180º West
Parallels
- Imaginary lines that run East to West
- Most famous: The Equator --> divides the Earth in two parts: North hemisfere and South Hemisfere
- **Equator: 0º
- Poles: 90º**
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TIME ZONES
- We divide the Earth into 24 time zones
- Is a sphere of 360º, each time zone is 15º
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