Env Sci/Physics 141: Mercury and Venus
Steven Dutch, Natural and Applied Sciences,University
of Wisconsin - Green Bay
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- The greenhouse effect on Venus is due to:
- water vapor.
- sulfuric acid droplets.
- carbon dioxide.
- Venus atmosphere is mostly:
- Water Vapor
- Carbon Dioxide
- Who landed the first (and only) spacecraft on Venus to send back pictures?
- The U.S.
- European Space Agency
- Why is Venus So Hot?
- Meteor Impacts
- Runaway Greenhouse Effect
- Plate Tectonics
- What are Venus clouds made of?
- Water droplets
- Carbon Dioxide
- Windblown Dust
- Sulfuric Acid droplets
- In what respect is Venus most similar to Earth?
- atmospheric composition
- surface temperature
- Which of the following is not characteristic of Mercury?
- a strong magnetic field
- heavy cratering of its surface
- rapid rotation
- extensive lava plains
- possible polar ice caps
- A major factor in explaining why Venus lacks plate tectonics
- It lacks water
- It rotates too slowly
- It rotates too quickly
- It is too close to the Sun
- It lacks a Moon
- The process that locks Mercury's rotation to its orbital motion
- Radiation pressure
- Centrifugal Force
- Tidal forces
- Retrograde motion
- The fact that Venus lacks water does what to the rocks of its crust?
- Makes them stronger
- Makes them weaker
- Has no effect
- Means water soluble rocks are possible on Venus
- Makes them richer in silica
- Craters on Venus are very uniformly distributed, leading many planetary
geologists to conclude:
- Impacting objects are very uniformly distributed
- Many craters have gone undiscovered
- Most impacting objects fail to penetrate the atmosphere
- Venus largely escaped cratering
- The entire surface is roughly the same age
- If water vapor on a planet reaches the upper atmosphere, it can be lost by
- Gravitational pull of other planets
- Chemical reactions
- Venus has an unusual rotation in what way?
- Very fast
- It rotates at varying speeds
- Its axis is very highly tilted
- Opposite the rotation of all other planets
- It always shows the same side to the Sun
- Mercury rotates ___ times for every ___ orbits around the Sun
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Created 30 September 2008, Last Update
14 December 2009
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