Chapter 13 the outer solar system Flashcards
1
Q
celestial mechanics
A
The aspect of astronomy that deals with the motion of celestial bodies under the influence of gravity.
2
Q
Centaur objects
A
group of bodies that have encountered Neptune and entered the planetary system in the relatively recent past.
3
Q
classical KBO
A
Objects with orbits with small inclinations and eccentricities and semi major axes between 42 and 45 AU. Have relatively stable orbits.
4
Q
perturbation
A
exerting a gravitational influence
5
Q
resonant KBO
A
trapped in an orbital resonance with neptune
6
Q
scattered disk object
A
have larger more eccentric orbits that are more highly inclined that KBO
7
Q
stellar occultation
A
occurs when a planet passes in front of a star as seen from earth.