is heavily cratered and similar in appearance to Mercury
What is The Moon
100
this planetoid has not yet been visited by a satellite
What is Pluto
100
this substance in the atmosphere of Jupiter and Saturn make them appear yellow
What is Ammonia Ice
100
These two terrestrial planets are the only ones to have magnetic fields
What is Mercury and Earth
100
This asteroid was recently promoted to a dwarf planet
What is Ceres
200
Caused by impact craters that leave deep basins
What is Lunar Maria
200
This satellite has taken the best maps of Venus
What is Magellan
200
These three things are characteristic of the Jovian Planets
What is rapid rotation, strong magnetic field, rich in hydrogen and helium
200
This volcano on this planet has been extinct for millennia but is the largest in the solar system
What is Olympus Mons, Mars
200
The caloris basin is the most astounding feature on this planet
What is Mercury
300
Orbiting Saturn, this natural satellite is the only one to show a significant atmosphere
What is Titan
300
This satellite completed the "grand tour" of the Jovian planets
What is Voyager 2
300
these two factors are the cause of Jupiter's abstract atmosphere of storms and belts
What is convective motion and rapid rotation
300
This planet has the greatest density in the solar system
What is Mercury
300
What occurrence is caused by the debris left by decaying comets colliding with earth's atmosphere
What is Meteor shower
400
The Satellite Ganymede belongs to this planet
What is Jupiter
400
This satellite was the only one to reach the surface of Venus
What is Venera
400
The two requirements for a strong magnetic field are rapid rotation and a fluid interior of conductive material, Jupiter rotates in just less than then hours. This material fulfils the second requirement.
What is liquid metallic Hydrogen
400
The Temperature on this planet has been raised hundreds of degrees by this affect
What is Venus, Green House affect
400
The planets all move in the equatorial plane of this object
What is The Sun
500
This planet is orbited by Triton, which has nitrogen geysers
What is Neptune
500
This satellite is currently in orbit around Saturn
What is Cassini
500
These materials makes up Saturn's beautiful rings
What is Icy particles and dust
500
water vapour is not a product of this volcanic occurrence in earths atmospheric creation.
What is outgassing
500
The retrograde rotation of Venus, tilt of Uranus, patters on Miranda, and Earth's Moon are likely caused by this phenomenon.