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NATS Chapter 7 A
Terms in this set (24)
The Mars Exploration Rovers, Spirit and Opportunity, are examples of which kind of spacecraft?
Small bodies like asteroids and comets are unlikely to harbor life because they
have not had liquid water inside them for extended periods now or in the past
Voyager 1 and 2 were examples of which kind of space mission?
If life exists in Uranus and Neptune, it will most likely be found
in the oceans of liquid ices beneath the surface
The strong forces of attraction that exist between water molecules and are responsible for many of its unique properties as a solvent are called
What happens to the rate of most chemical reactions as the temperature decreases?
the rate of reaction drops rapidly
Which of the following is NOT a basic requirement for chemically based life?
oxygen from photosynthesis
Which kind of robotic space mission enables us to determine the chemical composition of a planet's surface and atmosphere remotely?
Habitability generally refers to an environment capable of sustaining
any kind of life
If life exists on Mars today, it will most likely be found
beneath the surface
Most of the carbon dioxide on Venus
is still present in the atmosphere
If life does indeed exist elsewhere in our solar system it will most likely take the form of
microbes or other simple life
Stardust was an example of which kind of mission?
Which kind of robotic space mission enables us to take a quick look at a planet?
How does the surface temperature and atmospheric pressure on Venus compare with the Earth?
higher temperatures and pressures
The search for life in the solar system is essentially a search for
Photosynthetic life existing on a planet much farther from the Sun than the Earth would most likely
be larger than photosynthetic life on Earth or more efficient at collecting solar radiation
Venus may have been more Earth like in the past because
the Sun was dimmer, emitting less solar radiation
Which spacecraft is currently on its way to Pluto?
Based on its distance from the Sun, we would expect the surface of Venus to be
hotter than the Earth but not so hot that liquid water could not exist
Water is present on the Moon in the form of
ice in polar craters
The biggest obstacle to life being present in the atmospheres of Jupiter and Saturn is the
strong vertical wind speeds that would rapidly carry organisms into the hot interior where they would be destroyed
A common way of a robotic spacecraft to be accelerated and have its trajectory changed without the use of any fuel is via
a gravitational assist from another planet
Europa may have a subsurface ocean of liquid water due to
tidal heating from Jupiter and the other Galilean moons
THIS SET IS OFTEN IN FOLDERS WITH...
NATS Chapter 7 B
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