The Solar System

1
The Solar System
2
Mercury

• First planet from the sun.
• Mercury has no moons.
• Mercury has no rings.
• Mercury has 88 days in a year.
• One day on Mercury is 59 days on Earth.

3
Mercury

• Mercury sometimes is brighter than any other
  star.
• Its average distance from the sun is 36 million
  miles.
• Mercury is an almost airless planet.
• All the facts about Mercury come from one probe.

4
Venus

• Second planet from the sun.
• Venus has no moons.
• Venus has no rings.
• One year is 224.7.
• One day is 243
• Earth days.

5
Venus

• Venus is the brightest object in the night sky
  after the moon.
• Because its so brilliant, it is sometimes called
  the Evening Star or the Morning Star.
• Its average distance from the sun is 68 million
  miles.
• Venus is sometimes called earths sister.
• The surface of Venus is incredibly hot as much as
  900 F day night.

6
Earth

• Third planet from the sun.
• Earth has 1 moon.
• Earth has no rings.
• One year is 365.3.
• One day is 24 hours.

7
Earth

• Many years ago people thought Earth was flat.
• Earth is about 93 million miles from the sun.
• Earths atmosphere is made of gases bits of
  dust water.
• Earth is like a giant magnet.
• The lands on earths surface are
• always changing .

8
Mars

• Fourth planet from the sun.
• Mars has 2 moons.
• Mars has no rings.
• One year has 687 days.
• One day has 24.5 Earth hours.

9
Mars

• Mars is more than 140 million miles from the sun.
• Its 4,218 miles across.
• Mars was very hot inside.
• Mars is a dusty planet.
• Millions of years ago when it was a young planet
  it may even have had oceans.

10
Jupiter

• Fifth planet from the sun.
• At least 16 moons.
• It has 2 rings.
• One year is 4,280 days.
• It takes 9.8 hours to spin on its axis.

11
Jupiter

• Its about 480 million miles from the sun.
• One mystery on Jupiter is the Great Red Spot.
• The temperature here is very cold.
• The planet is very hot in its center.
• If you weigh 100lb on Earth you would weigh 264lb
  on Jupiter.

12
Saturn

• 6th planet from the sun.
• It has at least 17 moons.
• It has 8 rings.
• It takes 12,688.5 days for one year.
• It takes 10.7 Earth days to spin once on its axis.

13
Saturn

• Its about 890 million miles from the sun.
• It takes about thirty years to orbit around the
  sun.
• If you could find an ocean large enough
• Saturn would float on the water.
• There are so many rings that they look like the
  grooves in a phonographs record.

14
Uranus

• 7th planet from the sun.
• It has at least 15 moons.
• It has 10 rings.
• It takes 30,660 years to circle the sun.
• One day is17 hours long.

15
Uranus

• Its about one three quarters billion miles
  from the sun.
• Uranus lies on its side.
• Thick blue-green clouds blow across the surface
  at 200 miles per hour.
• Temperatures on the top of the clouds are over
  350? F.
• Astronomers once thought Uranus had 9 rings but
  it had 10 rings.

16
Neptune

• 8th planet from the sun.
• It has 8 moons.
• It has 4 rings.
• One year is 59,355 days.
• One day is 16 hours.

17
Neptune

• Its about 2.8 billion miles from the sun.
• South of the Great Dark Spot is a bright white
  cloud the scientists have nicknamed Scooter.
• The inner two thirds of the planet is 2 mixtures
  of hydrogen, helium, ammonia, water.
• Before Voyager 2, scientist thought it only had 2
  moons Triton Nereid.