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Space Facts

by samarjit singh taneja

Pages 2 and 3 of 13

Fun facts about space
Author:
Samarjit Singh Taneja
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Sunlight reaches earth in 8.3 minutes
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Age: 4.6 Billion Years
Type: Yellow Dwarf
Diameter:1,392,684 km
Mass:1.99x10^30kg(333,060 earths)
Core Temperature:13,599,726°C
Surface Temperature:5500°C
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Mercury
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The four planets nearest to the Sun are Mercury,Venus,Earth and Mars.All the rocky planets except Mercury are surrounded by a layer of gases but it is so close to the sun the sun has blasted away it's atmosphere.
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No Atmosphere
Exosphere Containing
42% oxygen
29% sodium
22% hydrogen
6% helium
0.5% potassium
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Mass: 330,000,000 trillion metric tons
(the equivalent of 0.055 Earths)
Known Moons: None
Distance from the Sun:57,909,227km (0.39 AU)
Orbit Period: 87.97 Earth days
Surface Temperature:-173 to 247° C
First Record: 14th century BC
Venus
Venus's thick heavy atmosphere traps the Sun's rays so it gets even hotter than Mercury more than 460°C (860°F)
Venus also rotates more slowly than the other planets. One day in Venus would equal 243 Earth days
ATMOSPHERE OF VENUS COMPOSITION:
96.5% CARBON DIOXIDE
3.5% NITROGEN
Mass: 4,967,320,000,000,000,000 billion kg (the equivalent of 0.815 Earths)
Known Moons:None
Distance from the Sun: 108,209,475 km (0.73 AU)
Orbit Period: 224.70 Earth days
Surface Temperature: 462° C
First Record: 17th Century BC
Earth
Our world seems solid and still, but it is actually quite the opposite. Earth, the third planet from the Sun, is not solid throughout. Nor does it sit still. In fact,it is constantly on the move. More than two-thirds of the crust is covered by water
IN IT'S ATMOSPHERE
78% NITROGEN
21% OXYGEN
Mass: 5.972,190,000,000,000,000 billion kg
Equatorial Diameter: 12,756 km
Equatorial Circumference:40,030 km
Known Moons : 1(The Moon)
Orbit Distance: 149,596,262 km 1(AU)
Orbit Period: 365.24 days
Surface Temperature: -88 to 58° C
Mars
Mars is the planet most like than Earth, although it appears very different.
The thin atmosphere of mostly poisonous carbon dioxide causes wind and dust storms. Mars,aka the Red planet is the fourth planet from the sun and is the second smallest planet in the solar system.
IN IT'S ATMOSPHERE
95.32% CARBON DIOXIDE
2.7% NITROGEN
1.6% ARGON
0.13% OXYGEN
0.08% CARBON MONOXIDE
Mass: 641,693,000,000,000 billion kg (the equivalent of 0.107 Earths)
Known Moons: 2 (Deimos & Phobos)
Distance from the Sun: 227,943,824 km (1.52 AU)
Orbit Period: 687 Earth days (1.9 years)
Surface Temperature: -152 to 20° C
First Record: 2nd millennium BC
Equatorial Diameter: 6805 km
Equatorial Circumference: 21,297 km
Jupiter
More than 1,320 Earths would fit into Jupiter. It is also known as the King of Planets. It is a gas giant, made mostly of hydrogen and helium with a small rocky core.
IN IT'S ATMOSPHERE
89.8% MOLECULAR HYDROGEN
10.25% HELIUM
Mass: 1,898,130,000,000,000,000 billion kg (the equivalent of 317.83 Earths)
Known Moons: 67
Distance from the Sun: 778,340,821 km (5.20 AU)
Orbit Period: 4,333 Earth days (11.9 years)
Surface Temperature: -148 °C
First Record: 7th or 8th Century BC
Saturn
Saturn is the second biggest planet and famous for its many beautiful shiny rings-including three main and four less dense rings. It also has a large number of moons, with Titan being the most intriguing one.
IN IT'S ATMOSPHERE
96.3% MOLECULAR HYDROGEN
3.25% HELIUM
Mass: 588,319,000,000,000,000 billion kg (the equivalent of 95.16 Earths)
Known Moons: 62
Distance from the Sun: 1,426,666,422 km (9.54 AU)
Orbit Period: 10,756 days (29.5 years)
Surface Temperature: -178 ° C
First Record: 8th Century BC
Equatorial Diameter: 120,536 km
Equatorial Circumference: 365,882 km
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