Science I, Earth in Space part 2, Quiz 2
the direction of rotation of Venus is _______________to the direction of all other planets
opposite
the two major components of the Earth's atmosphere are ___________________ and ________________
oxygen and nitrogen
The rings of Saturn consist of ....
particles of ice
the satellites of Uranus revolve around the planet in planes almost ....
perpendicular to its orbit
Jovian planets
Jupiter, Saturn, Uranus, Neptune
terrestrial planets
Mercury, Venus, Earth, Mars
planets in traditional order from sun outward:
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
the predicted location of Neptune was made possible because of...
a detailed study of Uranus
orbit
a revolution around the sun
Galileo discovered how many of Jupiter's 16 satellites?
four
Mercury
planet closest to the sun
the asteroids in the asteroid belt may have at one time been
planet(s) that disintegrated
It is not likely that any living organism could survive on the Martian surface because of _________________________
ultraviolet radiation
the force of gravity on Mercury is less than the Earth because
it has less mass
Pluto's orbit around the sun is unique because
it is inclined more than the other planets and it is the most elliptical orbit
in size, Jupiter is the ________________ planet in the solar system
largest
the mass and gravity of the Earth are used as a ____________ of comparison with other planets
measure and standard
comet's life span
short and definite. At some point they will thaw so completely that they will be gone.
most comets travel around the __________________ in elongated _________________ orbits
sun; elliptical
axis
the Earth rotates on this
planets
these celestial bodies shine by reflected light
asteroids
these masses of rock orbit between Mars and Jupiter
comets
these members of the solar system are made of ice and dust
Venus
this planet has a dense atmosphere of carbon dioxide
Mars
this planet is referred to as the "red" planet
