The Solar System

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 impactvolcanismcrustal displacement-faulting and foldingmass wastingfluid flow (water or other liquid, if present)WindIce 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