What is Venus?
The lander that first photographed Venus' surface.
What is Venera 9?
This is the two part mission that explored the Jovian System in 1979.
What are Voyager 1 and 2?
This man discovered Neptune.
Who was William Herschel?
This is the official name for bodies similar to Pluto in that they do not meet planet criteria, but rather dwarf planet criteria.
What are plutoids?
What are maria?
These are the most common volcanoes on the surface of Venus.
What are shield volcanoes?
This is how many moons Saturn has.
What is at least 60?
This is who Uranus was originally named after.
Who is King George III?
This is the name of the mission launched in 2006, that reached Pluto in 2015.
What is New Horizons?
This term is the best way to describe the moon orbit relative to the earth.
What is a synchronous orbit?
The largest volcano on Mars.
What is Olympus Mons.
These are the spin direction, age, and location of the the Great Red Spot.
What are counterclockwise, about 300 years, and Jupiter?
These two elements make up most of Uranus' atmosphere.
What are hydrogen and helium?
These are small, icy celestial objects that produce a distinctive tail as they pass near the Sun.
What are comets?
This is the term for the cliffs formed when Mercury's core shrank during its cooling process.
What are scarps?
This is the larger moon that orbits Mars.
What is Phobos?
This is the name of the spacecraft that ejected a probe onto Saturn's surface in 2004, and the name of the probe.
Neptune's moon of Triton derives it's color from this substance.
What is methane ice?
This is the name for the glowing halo around the head of a comet.
What is a coma?
The layer of the atmosphere that contains the ozone layer.
What is the stratosphere.
This is the robot that first took pictures of Mar's surface.
What is Viking Lander I?
These are also known as the Galilean Moons.
What are Io, Europa, Ganymede, and Callisto?
This is what Neptune's discovery could be best described to be.
What is indirect?
This is a piece of stone or metal from outer space lands on Earth.
What is an asteroid?