3. 1. How big do you think space is?
2. Write a short story on your journey in
space. You have to start at Earth. Explain
what you might see and where you would
go.
4. Inner Planets
• Since the inner planets have similar
characteristics such as:
• They are all Earth like
• They all contain rocky surfaces
• They all have evidence of volcanic activity
• Since the inner planets are closely alike,
they are called the terrestrial planets.
5. Mercury
Dis. From Sun: 36,039,529 mi
Dis. From Earth: 57,166,149 mi
Diameter: 3,303 mi
Length of Day: 175 Earth Days
Length of Year: 88 Earth Days
Surface Gravity: 3.7 m/s
6. Interesting Facts
• Mercury is known for it’s many craters
• Has the greatest difference between night
and day temperatures.
• All this is due to no atmosphere
• Avg. High is 806 degrees F
• Avg. Low is -297 degrees F
• That’s a difference of 1103 degrees a day
7. Venus
Dis. From Sun: 67,108,089 mi
Dis. From Earth: 26,097,590 mi
Diameter: 7,521 mi
Length of Day: 116 Earth Days
Length of Year: 225 Earth Days
Surface Gravity: 8.9 m/s
8. Interesting Facts
• Venus has a retrograde rotation. This
means that it spins on its axis in the
opposite direction of all the other planets.
• Venus has a very thick dense atmosphere
made of carbon dioxide.
• Hottest planet of the solar system, 900 F
• It rains acid rain and the pressure is so
great lightning never hits the ground.
9. Earth
Dis. From Sun: 92,957,130.4 mi
Dis. From Earth: 0 mi
Diameter: 7,926.2 mi
Length of Day: 24 hours
Length of Year: 365 Earth Days
Surface Gravity: 9.8 m/s
10. Mars
Dis. From Sun: 141,672,632 mi
Dis. From Earth: 48,466,953 mi
Diameter: 4220 mi
Length of Day: 24.6 hours
Length of Year: 687 Earth Days
Surface Gravity: 3.7 m/s
11. Interesting Facts
• Mars has one of the biggest volcanoes
called Olympus Mons. It’s the size of
Missouri.
• Possible water and life was once on this
planet
12. Daily Science
• Name the Planets in order starting with the
one closest to the sun.
13.
14. Outer Planets
• The outer planets are called gas giants or
the Jovian Planets (Jupiter like).
• All these planets are made out of gas.
• They have thick atmospheres
• They are much larger than the terrestrial
planets.
• The planets included are: Jupiter, Saturn,
Uranus, Neptune
15. Jupiter
Dis. From Sun: 484,048,159 miles
Dis. From Earth: 390,842,480
Diameter: 88,846 miles
Length of Day: 9.9 hours
Length of Year:4331 days
Surface Gravity: 23.1 m/s
16. Interesting Facts
• Largest planet in our solar system
• Jupiter has over 60 moons
• Has a giant storm called the Giant Red
Spot
• Made mostly of hydrogen and helium.
17. Saturn
Dis. From Sun: 891,046,290 miles
Dis. From Earth: 797,840,611 miles
Diameter: 74,897 miles
Length of Day: 10.7 hours
Length of Year: 10,747 days
Surface Gravity: 9.0 m/s
18. Interesting Facts
• Saturn has the most spectacular rings of
any planet
• Saturn’s moon Titan is larger than
Mercury, and it has an atmosphere
• Saturn is less dense than water. This
means that it can float on water.
19. Uranus
Dis. From Sun: 1,785,199,440 miles
Dis. From Earth: 1,691,993,760 miles
Diameter: 31,763 miles
Length of Day: 17.2 hours
Length of Year: 30,589 Earth Days
Surface Gravity: 8.7 m/s
20. Interesting Facts
• Spins on its axis at a 98 degree angle.
Meaning that one hemisphere is pointed
at the sun for half the year.
21. Neptune
Dis. From Sun: 2,793,063,510 miles
Dis. From Earth: 2,699,875,830 miles
Diameter: 30775 miles
Length of Day: 16.1 hours
Length of Year: 59,800 Earth Days
Surface Gravity: 11.0 m/s
22. Interesting Facts
• Has a hexagonal shape in northern pole
• Moon Triton, has a thin atmosphere
• Contains visible clouds and has a
reappearing storm, similar to the giant red
spot.
23. Pluto
Dis. From Sun: 3,647,448,900 miles
Dis. From Earth: 3,554,243,220 miles
Diameter: 1,485 miles
Length of Day: 153.3 hours
Length of Year: 90,558 Earth Days
Surface Gravity: 0.6 m/s
25. Beyond the Outer Planets
• Pluto has been thrown out as a planet because
it doesn’t support a characteristic of a planet.
• Here is why:
• A planet is a celestial body that
a) Is in orbit around the Sun
b) Has sufficient mass for its self-gravity to
overcome rigid body forces so that it assumes
a hydrostatic equilibrium, (round shape)
c) Has cleared the neighborhood around its orbit
26. Beyond the Outer Planets
• A “dwarf planet” is celestial body that
a) Is in orbit around the Sun
b) Has sufficient mass for its self-gravity to
overcome rigid body forces so that it
assumes a hydrostatic equilibrium,
(round shape)
c) Has not cleared the neighborhood
around its orbit
d) Is not a satellite.
27. Beyond the Outer Planets
• All other objects, except satellites, orbiting
the Sun shall be referred to collectively as
“Small Solar System Bodies.”
• Such as asteroids and comets.
