Lab 13: Orbital Motions of Planets
A galaxy is a collection of ______, _______, and ________ gravitationally bound together.
Kepler's Laws of Planetary Motion
- _________________________________________
- _________________________________________
- _________________________________________
Major Parts of an Ellipse:
Mercury's orbit
The maximum angular distance Mercury appears to reach from the sun as viewed from Earth is also known as its __________ __________.Using Mercury's maximum elongations, the orbit can be found and its shape will be an _______________.
This means that the sun [ WILL / WILL NOT ] be at the center of Mercury's orbit.
The point at which is the sun is found is called a ___________ ___________.
Motion of Mars
Most of the time, Mars appears to move in one direction relative to the background stars. This motion is called _____________ motion.Occasionally, Mars' motion will reverse. This is called ____________ motion.
This motion is due to the difference in angular ____________ of Mars and ___________ about the Sun.