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Neptune is the eighth planet from the sun. It is a cold, dark place that’s the smallest of gas giants. It was named after the Roman god of water and sea. Neptune is a ball of gas and ice with a rocky core, mainly of frozen methane gas. Winds reach speeds of up to 700 miles an hour.
Uranus is a giant icy ball of gas and liquid
with a solid centre. It’s the seventh planet
from the Sun. Uranus is so big it can fit 50
Earth in it. When viewed from space
Uranus is a pretty pale blue colour. Scientist
think a planet as big as Earth may have
crashed into Uranus at some point, tipping it
on it’s side.
Uranus looks smooths but isn’t solid so spacecraft
can’t land. On Uranus winter lasts 21 years and
half the planet is darkness. Uranus takes 84 years
to orbit the Sun. On Uranus winter lasts 21 years
and half the planet is in darkness. During Summer
which also lasts 21 years, the sun shines all the
time. Scientists have to use telescopes to see
Pluto was discovered in 1930 it is cold, icy
and brown in colour. Pluto is a dwarf planet and has 3 moons the biggest moon is called Charon discovered in 1978.Pluto is on the very edge of the solar system. It takes 5 and a half hours for sunlight to reach Pluto. Pluto has three moons around it:Charon,Nix and Hydra.Charon is about half the size of Pluto. The diameter of Pluto is 2320km and the atmosphere is methane and no magnetic field.
The Sun is the solar system's power station, generating vast amounts of heat and light energy. In the scale of the Universe, the Sun is not particularly large or powerful, but it is the only star scientists have been able to study in detail. The sun is 50 times hotter than boiling water. It takes 8 minutes and 20 seconds for the sun rays to reach Earth.
The Moon is a round, hard rocky ball. It is
the brightest object in the night sky. Nearly
four moons could fit across the earth. The
moon is made of pale-coloured rocks. These
rocks reflect the light from the sun. The
Moon doesn’t make it’s own light.
Scientists think that the moon is made of
rock from earth and from a small planet that
hit earth along time ago. The sun and moon
seem to be about the same size from Earth,
but really the Sun is much bigger than the
Moon. They only seem to be the same size
because the Sun is a lot further away from
A satellite is an object in space which orbits ,or
goes around, a lager object, such as a planet. The
moon is Earths natural satellite, but now the Earth
has lots of man-made satellites as well. Satellites
have to be taken into space, by rockets or by the
space shuttle, and released at the right speed to
stay in orbit. They come in all sorts of shapes and