-
There are currently __ planets.
8
-
Pluto is now considered a what type of planet?
Dwarf planet
-
What are the surface shaping processes? (7)
- Meteor, comet, and asteroidal impact
- volcanism
- crustal displacement-faulting and folding
- mass wasting
- fluid flow (water or other liquid, if present)
- Wind
- Ice deformation
-
What is the Moon's original curst made up of?
Anorthosite/Feldspar
-
The young craters have-
rays.
-
What planet is closet to the sun?
Mercury
-
What is Mercury's diameter?
4880 km
-
The mission in ____ passed Mercury three times and took pictures of the same side.
1974
-
What is Venus' radius?
12,120 km
-
Why can we not see the surface of Venus with a telescope?
It is covered with clouds
-
What planet is closest to Earth's size?
Venus
-
If Venus did have tectonic plates it would have one major-
rift zone.
-
Venus has about __ craters they are spaced our from each other.
6
-
Venus' atmosphere is comprised of what?
CO2 and SO2
-
Earth is the only planet that have an atmosphere that is -
Oxygen rich with an Nitrogen atmosphere
-
What is the Earth's radius?
6370 km
-
What is Mars' diameter?
6792 km
-
What makes Mars a reddish color?
Hematite
-
Mars' poles change from _____ to _____, because of _________ between the North and the South.
Summer, Winter, vapor exchange
-
Mars has the biggest volcano in the solar system. What type of volcano is it?
Shield volcano
-
How many moons does Mars have? And what are their names?
2, Phobos and Demos
-
Beyond Mars is an -
asteroid belt
-
Asteroids are _____ planets
minor
-
What is Jupiter's diameter?
143,000 km
-
Does Jupiter have a ring?
Yes, a very faint one.
-
How many satellites does Jupiter have?
at least 63.
-
Name the 4 largest moons of Jupiter or the Galilean Moons.
Io, Europa, Ganymede, and Callisto
-
How much of Io is melted?
90%
-
Of Jupiter's Galilean Moons which two are highly cratered and have a ice and rock mix?
Ganymede and Callisto
-
The reason for color differences on planets and moons such as Io (Jupiter's moon) and Neptune is because of -
temperature differences.
-
Io is manly made up of -
sulfur
-
What is Saturn's diameter?
120,660 km
-
What are the two satellites called that keep Saturn's F ring in place?
Shepherds
-
What is Saturn's largest satellite?
Titan
-
What type of atmosphere does Titan have?
Methane
-
What is Uranus' diameter?
51,120 km
-
How many satellites does Uranus have?
27
-
Does Uranus have a ring system?
Yes.
-
What is Neptune's diameter?
49, 500 km
-
Neptune has __ satellites.
13
-
Neptune's rings are ____ (size)
very small
-
Neptune's major moon is _____, that has an icy surface.
Triton
-
Name the Dwarf Planets. (3)
Ceres, Pluto, Eris
-
Ceres originally came from -
an asteroid (minor planet) in the Mars-Saturn asteroid belt
-
Eris is ___% more massive than Pluto
27%
-
Trans-Neptunian refers to the area -
beyond Pluto
-
What is Pluto's largest moon?
Charon
-
Comets are what and come from?
icy and dirt bodies that are in liquid form, originally from beyond Pluto's orbit.
-
Comets have ____ tails. Which way do the tails face?
2 or 3; one from the orbit and the other is being pushed away from the sun.
-
What are the three types of meteorites?
iron, stony iron, and stony
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