unit review-Planets Flashcards
what planets are the terrestrial planets?
the terrestrial planets are the inner planets closest to the sun, Mercury, Venus, Earth and Mars.
what planets are the gas giants?
Jupiter, Saturn, Uranus, and Neptune
what 2 planets have no moon?
Mercury and Venus
what gases are in all atmospheres of the gas giant?
a gas giant is a large planet composed mostly of gases, such as hydrogen and helium, with a small rocky core
what planet has the longest orbit?
Neptune has the longest orbital period of any planet in the solar system.
a year on Neptune lasts about 60,182 earth days
what planet has the shorted orbit?
Mercury has the shortest orbit. it goes around the sun in only 88 days.
what is the order of the planets from the closest to furthest from the sun.
mvem jsun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
