The Cassini mission to Saturn consists of
A) an orbiter that orbits Saturn and a probe that descended to the surface of Titan.
B) a large spacecraft that flew by Saturn on its way to other planets.
C) an orbiter that orbits Saturn and a probe that descended into Saturn's atmosphere.
D) a spacecraft that orbits Saturn and a sample return mission that landed on Titan, scooped up a surface sample, and will return it to Earth.
Question 2
The Apollo and Aten asteroids have orbits that:
A) cross the orbit of Earth at perihelion.
B) cross the orbit of Mars, but not the Earth, at perihelion.
C) remain between Mars and Jupiter, in the main belt.
D) stay sixty degrees ahead of or behind Jupiter.
E) stay out beyond Neptune.