Orbits
What kind of orbit does the Earth have?
Elliptical
True or false, compared to Jovian planets, Terrestrial planets are more dense and are less massive.
True
Name a main sequence star
Which planet has the shortest day?
Jupiter
Compared to other stars, the sun is...
Average
Compared to Neptune's orbit, Earth's orbit is...? (Eccentricity)
More linear/More eccentric
Which planets do not have moons?
Mercury and Venus
As a star moves in color from blue to red, its surface temperature...
Decreases
Compared to Mercury, Mars has a longer/shorter period of revolution.
Longer
What will happen after Betelgeuse uses up all of its fuel?
It will turn into a black hole/neutron star
In terms of age, compared to the Sun the star Procyon B is....
Older