Transcript THE SOLAR SYSTEM

THE SOLAR SYSTEM
CHAPTER 19
By; Noah, Kyle, Andrew, Andrew,
Kyle
THE SUN
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Nine planets orbit the sun
The closest star to Earth, and
because of it’s close distance it is
bright enough to sustain life on
Earth
The Sun is the center of our Solar
System
The Sun’s surface is 15,000,000
degrees Celsius
The Sun’s gravity keeps all of the
planets in orbit, instead of flying
off into space
Its diameter is 1.4 million KM, 110
times the diameter of the Earth
Mercury
Closest planet to the Sun
Undertakes extreme temperatures
Is spotted with craters
Mercury is .4 AU from the sun
Has no atmosphere
Temperatures- 670K-103K
A day on Mercury is 176 Earth
days
No life on Mercury, due to no
atmosphere
Venus
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2nd planet from the sun
.7 AU from the sun
Thick layers of carbon dioxide
clouds rest on Venus which make
Venus very reflective
Venus has mountains and plains
Unlike other planets, Venus rotates
in the opposite direction (east to
west)
Venus’s environment cannot
support life because the atmosphere
is thickly laced with sulfuric acid
Venus has a very strong greenhouse
effect
Earth
• Third planet from the sun
• Only planet that has
proven to sustain life so
far
• Has one moon
• 80 percent water
• Ideal conditions for life
• Earth’s atmosphere
protects us from radiation
from space
Mars
• Fourth planet from the
sun
• Many missions have
been sent to Mars
• Has the largest
volcanoes in the Solar
System
• Believed that water
used to run on Mars
• Temp- 144K to 300K
Jupiter
• Gas Giant
• Fifth planet from the sun
• Great Red spot is a giant
storm 3 times the size of
Earth
• 61 moons
• 1 day on jupiter is 10
hrs, 1 year is 12 Earth
years
Saturn
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Gas giant
Biggest ring system
1 day is 10.7 Earth hours
Rings are made of dust,
ice, and rock particles
• Saturn may still be
forming
• Saturn’s outer layers are
made of helium
Uranus
• Gas Giant
• Gaseous atmosphere
consists of hydrogen,
helium, and methane
• Methane colors Uranus
blue
• 7th planet from the sun
• 84 y to orbit the sun
• 30 AU from the sun
Neptune
• 8th planet from the sun
• 1 day is 16 hrs
• Very close atmosphere
to Uranus
• 1 year on Uranus is
164 Earth years
Pluto
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The oddball planet
1 y is 284 earth y
Discovered 1930
Solid icy surface, thin
gaseous atmosphere
• Orbits sun on long
ellipse, on a different
angle than the rest
• 40 AU from the sun
The Asteroid and Kuiper Belt
• Between Mars and Jupiter
• Divides the inner/outer planets
• Asteroids are 3km to 700km in
diameter
• Made of iron, nickel, water,
rock
• The Kuiper Belt lies on the
outside of the Solar System
• Made of pieces of planets from
the formation of the Solar
System
• Lies beyond the orbit of
Neptune