Its diameter is 109 times greater than that of the Sun. The Sun is the largest star in our universe. The Sun is burning gas. It provides all the heat in our solar system and most of the light too. It has 330 000 times the mass of the Sun.
It is made up of helium, hydrogen, oxygen and other gases. There is also iron on it. All plants need Sunlight to live. Many people worshipped the Sun. The Sun is always turning around. It takes 25 days to do that.
No one has ever been there. It is extremely hot on the Sun.
1. How much bigger is the Sun’s diameter than that of the Earth?
2. Which is the largest star in the universe?
3. Is there gas on the Sun?
4. Name some elements on the Sun?
5. How long does it take the Sun to turn around?
6. Why can people not go there?
This is a planet. It is the 8th from the Sun. It is exceedingly cold. It has 13 moons. It was discovered in 1846. Before that telescopes were not powerful enough to see it.
It has 15 times the mass of the Earth. It is 57 times bigger than the Earth in size. It takes years to orbit the Sun. It has hydrogen, helium and methane and even ethane.
It is named after the Ancient Roman god of the sea.
1. Where did they get the name for this planet?
2. When was it discovered?
3. How much bigger is Neptune than the Earth?
4. Why is Neptune not that much heavier than the Earth in relation to its size?
5. Which gases are on Neptune?
6. Which is the furthest planet from the Sun?
THE PLANET URANUS
The planet Uranus is the seventh one from the Sun. It is the third largest planet. It is a pale blue colour. It is extremely far from the Sun so it is bitterly cold. It is usually – 224 degrees celsius. This would kill any human.
Uranus takes its name from someone in Ancient Greece’s religion. Uranus was the god of the sky. Hydrogen, ammonia, helium and methane are all found on Uranus. It has clouds and ice. It is very windy on this planet. The winds can reach 250 km per hour. No one has ever been to this planet.
1. Where is Uranus in relation to Jupiter?
2. Is Uranus a planet?
3. Who was Uranus in Ancient Greek religion?
4. How windy is it on Uranus?
5. Name some elements in Uranus?
6. How cold is it on Uranus?
7. Have you been there?
8. Where is Uranus in relative sides of planets?
SATURN – THE PLANET
Saturn is a planet. It is the 6th furthest from the Sun. Saturn is much colder than Earth because Saturn is much further from the Sun than the Earth is. Saturn comes from a figure in the Ancient Roman religion.
A Saturn year is much longer than an Earth year. Saturn is 95 times bigger than the Earth. It has 62 moons. Most of the atmosphere is made up of hydrogen. There is also methane there and ammonia. There is no water on this planet. It is 60 000 kilometres around the equator of this planet and 40 000 from one of its poles to the other. It is fairly flat near its north pole and its south pole.
1. Which planet is nearer to the Sun than Saturn?
2. Where does the name Saturn come from?
3. How many moons does it have?
4. How many times bigger than the world is Saturn?
5. How many kilometres is Saturn around its equator?
6. Name some elements you would find on this planet?
7. Is it warm on Saturn?
This planet is the fifth nearest to the Sun. Thus it is further away from the Sun than the Earth is. Jupiter is much bigger than the Earth. Being further from the Sun it is also colder. It is the biggest planet in out Solar system.
Jupiter is named after the king of the gods in Ancient Roman mythology.
There is a planetary ring on Jupiter. Jupiter also has 76 moons! Jupiter takes years to orbit the Sun.
The gases on Jupiter are helium and ammonia.
1. What gases are on Jupiter?
2. Were is Jupiter in relation to the Earth?
3. Is it warm on Jupiter?
4. Where does the name Jupiter come from?
5. Why is a Jupiterean year so long?
6. How many moons does Jupiter have?
Earth is sometimes called the third rock from the Sun because it is the third closest planet to the Sun. Planet Earth is a fairly small one. It is about 20 000 km north to south and about 20 000 km all the way around the Equator. It is roughly a sphere. The average temperature is 10 degrees celsius. The lowest recorded is – 80 degrees celsius and the highest is 78 degrees celsius. Humans live on Earth and on no other planet. There is plenty of water on planet Earth in fact it covers most of the planet.
Earth is mostly made up or rock. There is a molten core from which lava comes. It takes the World 365 and a quarter days to go around the Sun.
1. Where is the Earth in relation to the Sun and other planets?
2. How far is it from the north pole to the south?
3. What is the lowest temperature ever recorded?
4. What is the name of the line around the middle of the Earth like a belt?
5. How long does it take out planet to orbit the Sun?
6. Is there water on Earth?
7. Have you ever been there?
THE PLANET VENUS
Venus is a planet. It is the second closest one to the Sun. Venus is named after the Roman goddess of love. Venus is very hote because it is not so far from the Sun. It is smaller than our planet. Nobody has ever landed on Venus. Venus takes 274 days to go around the Sun. That is a Venus year. It is slightly smaller than planet Earth. People call it Earth’s sister. Venus can sometimes be seen from the Earth. The temperature there is 462 degrees celsius. This would kill a human. 96% of the atmosphere there is carbon dioxide.
1. Which planet is second closest to the Sun.?
2. What gas is the main one on Venus?
3. How long is a Venus year?
4. Who is Venus named after?
5. How hot is Venus?
6. Which is hotter the Earth or Venus?
7. Would you like to go to Venus?