The document summarizes key facts about our solar system. It begins by listing the order of the planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. It notes that an asteroid belt separates the inner planets of Mercury, Venus, Earth and Mars from the outer planets of Jupiter, Saturn, Uranus and Neptune. It also identifies three dwarf planets: Ceres, Pluto and Eris. Key details provided include that Earth is the only known habitable planet, Venus has dense clouds of sulfuric acid, and Jupiter is the largest planet with over 60 moons.

1. The Solar System By Thomas, Christopher and James

2. Our Solar System

3. The Order of the Planets The Order of the Planets in our Solar System are: Mercury Venus Earth Mars Jupiter Saturn Uranus & Neptune

4. The Inner & The Outer Planets An asteroid belt stretches in-between Mars and Jupiter, separating the Solar System into two. The Inner planets are: Mercury Venus Earth & Mars The Outer planets are: Jupiter Saturn Uranus & Neptune

6. The Dwarf Planets Another type of planets are Dwarf planets. The current number of dwarf planets (according to the IAU on the 1 st of April, 2007) is only three. The asteroid Ceres is the only asteroid known to be round. Pluto is also considered a dwarf planet. And Eris, a little larger than Pluto, is also a dwarf planet.

8. Earth Earth is the only known habitable planet in the universe. It is about 12,700 km in diameter it’s mass, 6,000,000,000,000,000,000,000,000 kilograms about 4.55 billion years old. Earth’s moon is the third largest in the Solar System, after Ganymede and Titan.

10. Venus Venus is the brightest object in the sky (excluding the moon). It has clouds of sulfuric acid in it’s atmosphere, reflecting most of the sun’s light and obscuring the view of the actual planet. Venus is one of four rocky planets in the Solar System. Venus’s atmosphere is full of carbon dioxide and sulfur dioxide which generates an extremely strong greenhouse effect. This in turn raises the surface temperature of Venus to over 460 ° c.

11. Jupiter Jupiter is the biggest planet in the Solar System. It’s mass is approximately 317 times the mass of Earth, yet it is 1,317 times the volume of Earth. Jupiter's atmosphere is made of about 90% hydrogen and 10% helium by volume. Jupiter has the most moons of any planet in the Solar System-63 to be exact. The four main moons are Io, Europa, Ganymede and Callisto.

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