Exam7 Flashcards
Rank the objects from left to right based on their average distance from the Sun, from farthest to closest. (Not to scale.)
- Saturn
- Mars
- Earth
- Pluto
- Jupiter
- Mercury
Pluto, Saturn, Jupiter, Mars, Earth, Mercury.
Rank these objects from left to right based on their mass, from highest to lowest. (Not to scale.)
- Pluto
- Earth
- Jupiter
- Sun
- Mars
- Mercury
Sun, Jupiter, Earth, Mars, Mercury, Pluto
Rank these objects by size (average equatorial radius), from largest to smallest. (Not to scale.)
- Earth
- Mercury
- Jupiter
- Sun
- Pluto
- Mars
Sun, Jupiter, Earth, Mars, Mercury, Pluto
Large moons orbit their planets in the same direction the planet rotates:
Most of the time
Are there any exceptions to the rule that planets rotate with small axis tilts and in the same direction that they orbit the Sun?
Venus, Uranus, and Pluto are exceptions
Listed following are characteristics that can identify a planet as either terrestrial or jovian. Match these to the appropriate category.
- Small Size
- Primarily composed of Hydrogen, Helium, and Hydrogen compounds
- Extensive ring system
- Solid, rocky surface
- Located within the inner solar system
- Numerous orbiting moons
- Low average density
Terrestrial Planets: -Small size -Solid, rocky surface -Located within the inner solar system Jovian Planets: -Primarily composed of hydrogen, helium, and hydrogen compounds -Numerous orbiting moons -Low average density -Extensive ring system
_______ is about 30 times as far from the Sun as our own planet.
Neptune
_______ is the planet with the highest average surface temperature.
Venus
The planet with the lowest average density is ______
Saturn
The planet that orbits closest to the Sun is _____
Mercury
The only rocky planet to have more than one moon is _______
Mars
_____ is the jovian planet that orbits closest to the Sun.
Jupiter
_____ has a rotational axis that is tilted so much it lies nearly in the plane of its orbit.
Uranus
Mom of the surface of _____ is covered with liquid water.
Earth