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Eight planets orbit the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto is a dwarf planet.
Venus has the hottest surface — about 465°C on average — due to a thick greenhouse atmosphere, not Mercury.
Jupiter is the largest planet — more than 11 times Earth's diameter and 300 times its mass.
Yes. Click any planet on our Solar System map to open facts, NASA images, and a free science quiz.