These are dark areas on the moon's surface.
What are mare?
This planet features the highest surface temperature of all terrestrial planets, and is similar in size to the earth
What is Venus?
These missions put people on the moon and returned lunar samples to earth.
What are the Apollo missions?
This early astronomer is mostly remembered for his laws of planetary motion, the rules which all orbiting bodies follow
Who was Kepler?
The same side of the moon always faces the earth because the moon is _______ ________ with the earth
What is tidally locked
In spectroscopy, this spectrum is received when the continuous spectrum is passed through a cool cloud of gas
What is the absorption spectrum
These are the oldest regions on the moon
What are the lunar highlands?
These objects are mostly found out past the orbit of Neptune, and do not meet the minimum requirements to be considered a planet.
What is a dwarf planet?
Water is most abundant in which regions of the moon
What is the lunar poles?
This is the lander craft that within the last decade brought two rovers to Mars to investigate. It was built from parts of failed Martian missions
What is The Phoenix?
These objects originate in the outer reaches of the solar system, and are characterized by large, very elliptical orbits. They are mostly made of ice and gas
What is a comet?