9 Nov 2014
Nov 9 2014

Seasons on Earth Seasons on Earth : Earth’s revolution around the Sun creates the seasons. They are different in the Northern and Southern Hemispheres. Why do we have Seasons on Earth? Earth completes a revolution around the Sun over 365.25 days. It is this orbit, combined with the […]

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9 Nov 2014
Nov 9 2014

Near-Earth-Objects Near-Earth-Objects : Near-Earth-Objects (NEOs) are small objects in the solar system. They have struck Earth in the past and will definitely hit again, but are we in danger of Near-Earth-Objects? The Earth has been hit by asteroids, comets and meteorites in the past. Scientists believe that when […]

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9 Nov 2014
Nov 9 2014

Asteroids and Meteoroids and Comets Asteroids and Meteoroids and Comets : Asteroids are pieces of rock and iron that orbit the Sun. Meteoroids are smaller bits of material that fly through space. Comets orbit the Sun and are made of ice, dust and rock. Asteroids : Asteroids are […]

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9 Nov 2014
Nov 9 2014

Uranus and Neptune Uranus and Neptune : The two furthest planets from the Sun are Uranus and Neptune. Uranus and Neptune are both gas planets. Blue-Green Methane Both Uranus and Neptune have atmospheres of hydrogen, helium and methane. The methane gives these planets a blue-green colour. Below the […]

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9 Nov 2014
Nov 9 2014

Jupiter and Saturn Jupiter and Saturn : Jupiter and Saturn Jupiter is the largest planet in the solar system and has the fastest rotation. Saturn is the second-largest planet surrounded by rings of ice-covered rock. Both are gas giants. Jupiter : If oil the other planets were combined […]

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9 Nov 2014
Nov 9 2014

Mars Mars : Mars is a red planet with some similar features to Earth. It is still not known whether Mars has ever supported life. Similar Features : The soil on Mars contains iron oxide which gives the planet its red colour. Iron oxide is a mineral also […]

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9 Nov 2014
Nov 9 2014

Mercury and Venus Mercury and Venus : Mercury and Venus are the two planets closest to the Sun. The conditions on each planet are very different. Rocky Planets : Both Mercury and Venus are made of solid rock, but they look completely different. About 60% of Mercury’s surface […]

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9 Nov 2014
Nov 9 2014

Earth and Its Moon Earth and Its Moon : Earth is unique amongst the planets in our solar system. It is the only one with all the conditions needed for life to exist. Earth is the only planet with a temperature that allows liquid water to exist. The […]

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9 Nov 2014
Nov 9 2014

The Sun The Sun : The Sun is only an average-sized star, but the energy it produces allows life to exist on Earth. Solar Energy : The Sun is a yellow dwarf star. Like all stars, it is a huge ball of spinning gas. Energy is produced in […]

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9 Nov 2014
Nov 9 2014

Our Solar System Our Solar System : The solar system is the Sun and all the different objects that orbit around it. These objects include the eight planets, their moons and asteroids and comets. Circling The Sun : The Sun is a star – which means it is […]

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