Orbits
Which law states that all planets travel in elliptical orbits.
Kepler's 1st Law
Determines the period of a planet
distance from the sun
Earth’s Orbital Period
One year
two factors that determine gravitational force
Distance and mass
Planets sweep over an equal area in equal amounts of time.
Kepler's 2nd Law
This changes depending on the planet you are on
Weight
Name a rocky planet
Mars, Earth, Mercury, and Venus
Would you weigh more or less on Jupiter?
More
Ellipses have two _______
Foci
Determines the period of a pendulum
Length of the string
Name a gas giant (planet)
Jupiter, Saturn, Neptune, and Uranus
Determines the period of a planet
Distance from the sun.
The point in a planet’s orbit in which it is the farthest from the sun.
Aphelion
All objects fall at the _______ rate.
Same
Name the planet that was demoted.
Pluto
The point in a comet's orbit when it is closest to the sun
The shape of comets’ orbits
Elliptical
People inside the “vomit comet” experience
Free fall
How many planets are in our solar system?
8
Does your mass on the moon change?
No