Asteroids Whose Elliptical Orbits Have Perihelia Inside the Orbit of Mars

Q18: The Oort cloud is<br>A) a random distribution

Q19: What is a trans-Neptunian object?<br>A) a solar

Q20: The ionized gas tail of a comet

Q21: A useful technique for estimating the shapes

Q22: Haumea is all of these EXCEPT<br>A) a

Q24: When a piece of space debris enters

Q25: Stony meteorites<br>A) are very much like ordinary

Q26: Pluto is believed to have<br>A) no atmosphere

Q27: A typical comet in an elliptical orbit

Q28: Asteroids whose orbits carry them across Earth's