SOLAR SYSTEM

SUN

• Has sun spots as big as earth
• There are layers of the sun
• The sun has prominences rise at a speed of 1,000 kilometers per second

MERCURY

• The average distance from the sun is 57,900,000 km
• The length of a day is 59 Earth days
• The average surface temperature is 117 degrees C
• Mercury has 0 moons
• Someone who is 100lb is 38lb on Mercury

VENUS

• The average distance from the sun is 108,200,000 km
• Length of a day measured in earth days is 243 days
• Length of year as measured in Earth time is 225 days
• Average surface temperature is 464 degrees c
• No moons

EARTH

• Average distance from sun is 149,600,000
• The length of a day is 24 hours
• Length of a year is 365 days
• Average surface temp is 15 degrees c

MARS

• Average distance from sun is 227,900,000
• Length of a day is 25 hours
• Length of a year is 686 days
• 2 moon
• Average surface temp is -63 degrees c

JUPITER

• Average distance from sun is 778,400,000
• Length of a day is 10 hour
• Length of a year is 12 earth years
• At least 63 moons
• Surface temp is -148 degrees c

SATURN

• Average distance from sun is 1,426,700,000
• Length of day is 11 hours
• Length of a year is 29.4 earth years
• At least 47 moons
• Surface temp is -178 degrees c

URANUS

• Average distance from sun is 2,871,000,000
• Length of day is 17 hours
• Length of year is 84 earth years
• Average -216 degrees c
• At least 27 moons

NEPTUNE

• Average distance from sun is 4,498,300,000 km away
• Length of day is 16 hours
• Length of year is 165 earth days
• The average surface temp is -214 degrees c
• There are at least 13 moons

ASTERIODS

• An asteroid is a rocky object up to several hundred kilometers wide that revolves around the sun
• ASTEROIDS are sometimes called minor planets
• Asteroids sometimes have little asteroids orbiting them

COMETS

• A comet is a frozen mass of different kinds of ice and dust that is in orbit around the sun
• Comets are much smaller than planets
• Many comets come from parts of the solar system beyond neptune

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