3. Mercury is the fastest planet.
Mercury zooms around the sun in just 88 days at an
incredible 173,000 kph.
That makes it faster than any space rocket invented!
Mercury is the planet closest to the sun but it’s neighbour
Venus is hotter because it has clouds to keep in the heat.
Venus is named after a goddess. Venus was the name of the Roman
goddess of Love and Beauty, just right for the planet which many
people think is the most beautiful object in the sky.
It also has a erupting volcano.
Venus is sometimes called the Evening
Star because it is so bright, it is one of the
first point of light we see shining as it gets
When earth first formed it was extremely hot
and there was no oxygen. Over millions of years,
the planet cooled, oceans formed and oxygen
The center of the Earth is made of a molten metal
called iron, which make it like a giant magnet.
The Earth looks beautiful from space –blue with
swirling white clouds.
Mars was named after the roman god of
war, because of it’s blood- red colour,
which comes from iron- rich soil and rock.
Mars has ice at its pole which is actually frozen carbon dioxide
gas. At the North Pole, there may be frozen water, mixed with
the frozen carbon dioxide. There maybe frozen water
Mars has 2 tiny moons, Deimos and Phobos, are not round like
our moon. They look more like baked potatoes! They might have
been asteroids that Mars captured with its gravity.
Jupiter is so big that all the other planets in the
solar system could fit in to it! If it was any bigger, it
might become too hot in the middle and turn into
Jupiter is stripy – the planet looks like it is wearing a giant pair of
pyjamas because of its bands of clouds. They are made of forzen
crystals of water, ammonia and other chemicals.
Violent winds whip up storms all over Jupiter but the big red spot is
the largest. It has been raging for over 300
Saturn’s rings aren’t solid, but are made up of millions of
chunks of ice and rock.
You could fit about 740 Earths into Saturn! It is the solar
system’s 2nd largest planet.
Saturn is made up of liquid and gas with a small rocky
centre. It is so light that if there was an ocean big enough,
the planet would float on it like a boat.
Uranus was discovered William Herschel. He was going to call it
George after the English King at the time but then named if after the
Greek god of the Sky.
Uranus has 17 moons!
Uranus is blue because it is largely made of a stinky gas called
The poles on Uranus are warmer than the equator. Uranus is tilted
on its side. Summer on the south pole lasts 42 years.
On Neptune, it is very very windy! Winds rip across the planet all
the time, much faster than any winds on Earth. There are also a
lot fo storms on Neptune which show up as dark spots.
Triton and Nereid are main moons of Neptune but it also has 7
other moons. Triton is one of the coldest ever recorded : -226
When the gas nitrogen freezes on Neptune, it looks like pink
Pluto is the coldest planet of all which is obvious because it is
farthest from the sun.
Pluto is named after the Greek god of the Underworld.
Pluto is smaller than a country! You could fit it in to the USA
or Russia. That is why it is a called a dwarf planet.