Test 4- Terresterial Planeys Flashcards
Venus is peculiar because
it rotates backwards
The probes we have sent to Mars had done the following
All the above
Olympus Mons
is what killed dinosaurs
Venus is 2.3 light minutes away from Earth. Which of the following is true?
If we were talking to someone on Venus it would take 4.6 minutes to hear a response from our questions
The flow patterns on Mars suggest
that the climate on Mars was different from the past
The gas tail of a comet always
points away from the Sun
The _ is a disk shaped cloud of icy bodies believed to extend from about 40 AU out to 100 AU. It is believed that short period comets originate from this region
Kuiper Belt
Why is it believed that life can not evolve on a planet that orbits a spectral type A, B or O star?
These stars do not remain on the main sequence long enough for life to evolve
Which hypothesis concerning the formation of the moon makes predictions that best fit the observed lunar data?
The large impact hypothesis
Earth possesses few visible craters and the Moon possesses many. This is because
only b and c
Which is a false statement about the Moon
the moon landing never happened
The theory that Mercury shrank slightly when it was young has been proposed to explain
lobate scarps.
The lunar maria are
the lava plains of the lunar lowlands.
That the moon has no magnetic field implies that
the moon’s core contains little if any molten iron.
The youngest parts of Earth’s crust are
the midocean rifts
The oxygen in Earth’s atmosphere
all of these
Which of the following is not produced by plate tectonics?
Earth’s magnetic field
Why would a decrease in the density of the ozone layer create a public health concern?
none of the above
For the fictional planet Hades, use the following Jeans escape graph to determine which gasses would escape from this planet.
Hydrogen, Helium, Water, Methane and Ammonia
How does the dirty snowball theory explain the observed characteristics of comets?
A dirty snowball contains ices and dirt - A comet contains ices and rocks.
Explain how the impact of a large comet may have caused the extinction of the dinosaurs.
dust cloud forms blocking out sunlight
Why must the information in a species’ DNA be changeable
So that mutations can occur
Name the four stages of development for a terrestrial planet.
Differentiation
Cratering
Flooding
Slow surface erosion
Explain how we can determine the relative ages of lunar feature
Cratering Rates
Radioactive Dating
Why does Earth have two high tides a day?
tidal forces
What are the four layers of the earth?
Crust, Mantle, Liquid outer core, Solid inner core
The atmospheric pressure on the surface of Venus is about 92 times the surface pressure here on Earth
True
Venus rotates and revolves in the same directions as Earth.
False
All of the teressteral planets have a solid surface
True
The surface of Mars is so hot that it can melt lead.
False
We believe that there was once liquid water on Mars
True
Radar maps of Venus show impact craters.
True
All of the terrestrial planets except Earth have been through the four stages of planetary development.
False