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What is the Sun?

The Sun is a star in our Milky Way The Sun gives off energy as electromagnetic radiation. That includes light, infra-red energy (heat), ultraviolet light and radio waves. It also gives off a stream of particles, which reaches Earth as solar wind. The source of all this energy is the reaction in the star which […]

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What is the Moon?

The Moon (Latin: luna) is Earths satellite, and we can usually see it in the night sky Our moon is about a quarter the size of the Earth. Because it is far away it looks small. The gravity on the moon is one-sixth of the Earth’s gravity. It means that something will be six times […]

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What is Mars?

Mars is the fourth planet from the Sun in the Solar System and the second-smallest solid planet Mars is the fourth planet from the Sun in the Solar System and the second-smallest solid planet. Mars is rocky and cold, with polar ice caps of frozen water and carbon dioxide. It has the largest volcano in […]

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Tilikum - the orca

Who is Tilikum?

Tilikum was an Orca who lived in SeaWorld, Orlando Tilikum the Orca (November 1981 – January 6, 2017), nicknamed Tilly, was a bull orca. He was captured in Iceland in 1983 at Hafnarfjörður, near Reykjavík. After a year he was transferred to Sealand of the Pacific in Victoria, British Columbia. He was subsequently transferred in […]

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What is Andromeda Galaxy?

The Andromeda Galaxy is the nearest spiral galaxy to the Milky Way, our galaxy The Andromeda Galaxy is the nearest spiral galaxy to the Milky Way, our galaxy. Andromeda is sometimes called M31 or NGC 224 by astronomers. It is about 2.6 million light years away from us. Andromeda is the largest galaxy of the […]

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What is Ganymede?

Ganymede is the largest moon of Jupiter Ganymede is the largest moon of Jupiter. It is also the largest moon in the Solar System. Ganymede is larger in diameter than Mercury, but has only about half its mass. Ganymede is much less dense. Ganymede is part of a group called the Galilean Satellites. These also […]

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