The Solar System

• Our solar system consists of an average star we call the Sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. It includes: the satellites of the planets; numerous comets, asteroids, meteoroids, Black holes, Galaxies, Stars.
• The Sun is the largest object and contains approximately 98% of the total solar system mass.
• One hundred and nine Earths would be required to fit across the Sun's disk, and its interior could hold over 1.3 million Earths.
• It has a temperature of 6,000°C (11,000°F).
• It is the closest planet to the Sun, and second smallest planet in the solar system. Its diameter is 40% smaller than Earth and 40% larger than the Moon. It is even smaller than Jupiter's moon Ganymede and Saturn's moon Titan.
• If an explorer were to step onto the surface of Mercury, he would discover a world resembling lunar terrain. Mercury's rolling, dust-covered hills have been eroded from the constant bombardment of meteorites.
• Fault-cliffs rise for several kilometres in height and extend for hundreds of kilometres. Craters dot the surface. The explorer would notice that the Sun appears two and a half times larger than on Earth; however, the sky is always black because Mercury has virtually no atmosphere to cause scattering of light. As the explorer gazes out into space, he might see two bright stars. One appearing as cream colour Venus and the other as blue colour Earth.
• It would appear that Mercury could not support water in any form.
Venus
• Venus, the jewel of the sky, was once know by ancient astronomers as the morning star and evening star. Early astronomers once thought Venus to be two separate bodies. Venus, which is named after the Roman goddess of love and beauty, is veiled by thick swirling cloud cover.
• Astronomers refer to Venus...

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