A period of _____________________ is the time taken for a planet to complete one orbit around the sun.
revolution
Which planet is the largest?
Jupiter
The planets in the solar system move in elliptical orbits around the _______________ .
Sun
The inner planets are _____________________________ .
Mercury, Venus, Earth, and Mars.
The orbits of the planets are _______________
elliptical.
Planets move in orbits around the sun because _______________________ .
because of the sun's strong gravitational pull on them.
The outer planets are ____________________________ .
Jupiter, Saturn, Uranus, and Neptune
Planets further from the sun are called _____________ .
outer planets
It takes Earth 365 1/4 days to complete one _________________ around the Sun.
revolution
Planets closer to the sun are called __________________ .
inner planets