Download Our Solar System

Our Sun
• 330,000X greater
mass than Earth.
• If the Sun were the
size of a soccer ball,
the Earth would be the
size of a BB.
• It’s HOT! And it’s
HUGE!
The Terrestrial Planets
(Made mostly of rock and metal)
•
•
•
•
Mercury
Venus
Earth
Mars
Mercury
• Closest planet to the
Sun.
• Orbits the Sun in only
88 days!
Venus
• The brightest object in
the sky next to the Sun
and Moon.
• Orbits the Sun in 225
days.
Earth
• Our home.
• The densest planet.
• Orbits the Sun in 365
days.
• Has a large supply of
unfrozen water.
Earth’s Moon
• The only natural
satellite of Earth.
• Second brightest
object in the sky, after
the Sun.
• The Moon’s gravity is
the main cause of our
tides.
Mars
• Orbits the Sun in 687
days.
• Sometimes referred to
as the “Red Planet”.
• Has the largest
mountain in the solar
system - 78,000 feet.
Asteroid Belt
• Most of them are
located in a “belt”
between Mars and
Jupiter.
• The total mass of all
known asteroids is less
than that of the Moon.
Gas Giant Planets
•
•
•
•
Jupiter
Saturn
Uranus
Neptune
Jupiter
• Largest planet in our
solar system.
• More than twice as big
as all of the other
planets combined.
• Takes 4,333 days to
orbit the Sun.
• Made of 90%
hydrogen and 10%
helium.
Saturn
• Takes 10,760 days to
orbit the Sun.
• Sixth planet from the
Sun.
• 2nd largest planet.
• Least dense of the
planets.
• It’s made of gases hydrogen and helium.
Uranus
• Takes 30,685 days to
orbit the Sun.
• Spins sideways.
• Made of rock, ice,
hydrogen, and helium.
Neptune
• Takes 60,190 days to
orbit the Sun.
• 4th largest planet.
• Made of ice, rock,
hydrogen, and helium.
Pluto (Dwarf Planet)
• Smaller than 7 of the
solar system’s moons.
• Sometimes crosses the
orbit of Neptune,
making Neptune the
most distant planet
from the Sun for a few
years.
• Takes 90,550 days to
orbit the Sun.
Relative Sizes of Sun and Planets
How to remember the planets
•
•
•
•
•
•
•
•
•
My - Mercury
Very - Venus
Educated - Earth
Mother - Mars
Just - Jupiter
Served -Saturn
Us - Uranus
Nine - Neptune
Pizzas - Pluto