Assorted 1
Which planet has the longest year?
Neptune
A day is
the time it takes for a planet to rotate once on its axis
The most likely place for life to be found elsewhere in the solar system is
the moon of a gas giant
Regarding life on the inner planets:
Earth has a lot of biodiversity
If you know a planet's orbital period you can determine its
distance from the Sun
Galileo's discovery that Venus has phases was important because it provided evidence that Venus
orbits the Sun
Why is Venus the hottest planet?
It has a powerful greenhouse effect.
Why does Mars appear red?
iron oxide in the soil
The heliocentric model of the solar system was
described by Copernicus and supported by Galileo.
All of the outer planets are primarily composed of what elements?
hydrogen and helium
How long does it take the Earth to revolve around the Sun?
365.24 days
The asteroid belt is most likely
a failed planet
Copernicus' model of the solar system got better when
Kepler determined that planets move in ellipses
The number of impact craters on Mercury means that the planet is
not geologically active
Viewed from Earth the planets move
sometimes with and sometimes opposite the stars
Olympus Mons, the largest volcano in the solar system, is on the planet ___________ and is a __________ volcano.
Mars; shield
The first evidence that objects could orbit something besides Earth came from observations of
the Galilean moons.
The force of gravity between objects depends on their __________ and __________
mass; the distance between them
In the geocentric model of the universe objects in the sky are
in layered spheres with the Sun in the fourth sphere
Why is a day on Mercury equal to 57 Earth days?
Mercury rotates very slowly on its axis
Who proposed the heliocentric model of the universe?
Copernicus
Large volcanoes surrounded by plains of lava describes the surface of
Mars
Jupiter has
a storm that has been active for at least 300 years
Which planet has an atmosphere that is thin, mostly carbon dioxide, but with only a small greenhouse effect?
Mars
Galileo's telescope helped the Copernican model by showing that
Venus orbits the Sun