Astronomy college course/Mercury/questions
image gallery for this quiz. With experimental sticky note paste-in
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Shortest period b/c it's closest. (As per Kepler' III) Law Synodic = as seen from earth. Syn = together as in Jewish Synagog Proximity to Sun: Morning and Evening "star". Rotation is tidally or gravitationally locked in 3:2 resonance (review Earth moon situaton, resonance is 3x=2y) Highly elliptical orbit: Speeds up and slows down Looks like Moon: dead "inactive" geology billions of years. Solar sytem is 5 billion years, Universe is 15 billion (roughly). |
AstroMercury_Study
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AstroMercury_Study-v1s1
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- ___ a) meander
- ___ b) scarp
- ___ c) rille
- ___ d) antipodal
- ___ e) propodal
2. Antipodal to Caloris Basin is
- ___ a) an iron/nickel deposit
- ___ b) a scarp
- ___ c) a water deposits
- ___ d) weird terrain
- ___ e) a silicon deposits
3. A volatile is a substance that
- ___ a) reacts violently with acids
- ___ b) reacts violently with oxygen
- ___ c) reacts violently with water
- ___ d) melts or evaporates at low temperature
- ___ e) melts or evaporates at high temperature
4. The four smaller inner planets, Mercury, Venus, Earth and Mars, also called the terrestrial planets, are primarily composed of ___ and ___.
- ___ a) carbon and oxygen
- ___ b) metal and rock
- ___ c) ice and rock
- ___ d) ice and water
- ___ e) ice and gas
5. If the universe is mostly hydrogen, why aren't terrestrial planets made of mostly hydrogen?
- ___ a) tidal forces between the terrestrial planets prevented accretion
- ___ b) tidal forces from the Sun prevented accretion
- ___ c) thermonuclear fusion in the protosun turned the hydrogen into helium
- ___ d) These planets lie inside the frost line for hydrogen
- ___ e) tidal forces from Jupiter prevented accretion
6. Mercury's atmosphere consists mostly of
- ___ a) carbon dioxide
- ___ b) hydrogen
- ___ c) nitrogen
- ___ d) oxygen
- ___ e) helium
7. In what sequence did Mercury's weird terrain and Caloris basin form?
- ___ a) The weird terrain was formed a few millions years after the Caloris basin
- ___ b) The weird terrain was formed approximately 2 billions years before the Caloris basin
- ___ c) The weird terrain was formed approximately 2 billions years after the Caloris basin
- ___ d) The were formed at exactly the same time
- ___ e) The weird terrain was formed almost immediately after the Caloris basin
Key to AstroMercury_Study-v1s1
- - a) meander
- + b) scarp
- - c) rille
- - d) antipodal
- - e) propodal
2. Antipodal to Caloris Basin is
- - a) an iron/nickel deposit
- - b) a scarp
- - c) a water deposits
- + d) weird terrain
- - e) a silicon deposits
3. A volatile is a substance that
- - a) reacts violently with acids
- - b) reacts violently with oxygen
- - c) reacts violently with water
- + d) melts or evaporates at low temperature
- - e) melts or evaporates at high temperature
4. The four smaller inner planets, Mercury, Venus, Earth and Mars, also called the terrestrial planets, are primarily composed of ___ and ___.
- - a) carbon and oxygen
- + b) metal and rock
- - c) ice and rock
- - d) ice and water
- - e) ice and gas
5. If the universe is mostly hydrogen, why aren't terrestrial planets made of mostly hydrogen?
- - a) tidal forces between the terrestrial planets prevented accretion
- - b) tidal forces from the Sun prevented accretion
- - c) thermonuclear fusion in the protosun turned the hydrogen into helium
- + d) These planets lie inside the frost line for hydrogen
- - e) tidal forces from Jupiter prevented accretion
6. Mercury's atmosphere consists mostly of
- - a) carbon dioxide
- + b) hydrogen
- - c) nitrogen
- - d) oxygen
- - e) helium
7. In what sequence did Mercury's weird terrain and Caloris basin form?
- - a) The weird terrain was formed a few millions years after the Caloris basin
- - b) The weird terrain was formed approximately 2 billions years before the Caloris basin
- - c) The weird terrain was formed approximately 2 billions years after the Caloris basin
- - d) The were formed at exactly the same time
- + e) The weird terrain was formed almost immediately after the Caloris basin
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- http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Mercury&oldid=1381954