Mars has seasons twice as long as Earth's seasons because

Mars's year is twice as long as Earth's year

Saturn's moon Titan is unusual because

it has a substantial atmosphere

Even though Venus is farther from the sun why is it hotter on it's surface than Mercury?

has a thick CO2 atmosphere that traps the sun's heat

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Ch. 27 Solar System and Planets

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Answers

1
A rock fragment traveling in space is called a
meteor
meteor shower
meteorite
meteoroid
2
Which of the following planets can never be seen from Earth at midnight?
Saturn
Venus
Jupiter
Mars
3
Which of the following is not a characteristic of a Jovian planet?
low density
rocky crust
large size
composed of light elements
4
Mars has seasons twice as long as Earth's seasons because
Mars's gravity is two-fifths of Earth's gravity
Mars's year is twice as long as Earth's year
Mars's axis is tilted twice as much as Earth's axis
Mars's atmosphere is thinner than Earth's atmosphere
5
The two planets radiate more energy back into space than they receive from the sun are
Earth and Mars
Mercury and Venus
Uranus and Neptune
Jupiter and Saturn
6
An asteroid's brightness may change as it rotates because it
has an irregular shape
is solid
has a circular orbit
is between Mars and Jupiter
7
Halley's Comet returns to the inner solar system every
760 years
year
7.6 years
76 years
8
Saturn's moon Titan is unusual because
it has a very hot surface
it has a substantial atmosphere
it has a moon of its own
it is very small
9
Comets spend most of their time
far beyond Neptune's orbit
between Mars and Jupiter
in orbit around Earth
in orbit around Neptune
10
Which of the following planets has the lowest density?
Mars
Venus
Mercury
Jupiter
11
One reason Mercury has more impact craters than Earth is because Mercury
moves faster in its orbit
has no atmosphere
is closer to the sun
rotates more rapidly
12
The largest known volcano in the solar system is located on
Jupiter
Earth
Mars
Pluto
13
Even though Venus is farther from the sun why is it hotter on it's surface than Mercury?
has a thick CO2 atmosphere that traps the sun's heat
a ver weak or non-existent magnetic field
has an extremely old crust with volcanic features
rotates from west to east instead of east to west
14
Which of the following planets have ring systems?
all of the above
Saturn
Jupiter
Neptune
15
Meteor showers occur when Earth
enters the asteroid belt
approaches aphelion
passes through comet debris
approaches perihelion

Ch. 27 Solar System and Planets Flashcards | StudBud