AST Review Questions From Chapter 1-5

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- Tidal friction slowed rotation period until it matched orbital period
Circumpolar star?
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When someone observes the moon in 1st Quarter phase, the moon observes the
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- In the 3rd Quarter Phase
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What is true about the moon?
- The moon goes through a cycle of phases because it always has the
same side facing the Earth
Which object has the most kinetic energy?
- Ek = ½ mv^2 Æ Apply this
Gravitational Potential Energy
- Depends on Mass and Distance from Ground
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- Nuclear Fusion of Hydrogen
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- Orbital period and distance of one of JXSLWHU·VPRRQV
How does Orbital Period relate to average distance?
- Orbital Period = 2 x Average Distance ; P = 8, d avg = 4 AU
Temp = Average Kinetic Energy
Sublimation = Solid Phase to Gas Phase
Why is there not a solar eclipse at every full moon?
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Centre of Mass of a Binary Star system
- Point at which both masses would balance if connected
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Document Summary

Tidal friction slowed rotation period until it matched orbital period. When someone observes the moon in 1st quarter phase, the moon observes the. The moon goes through a cycle of phases because it always has the same side facing the earth. Depends on mass and distance from ground. Orbital period and distance of one of j:5907824438. Orbital period = 2 x average distance ; p = 8, d avg = 4 au. Centre of mass of a binary star system. Point at which both masses would balance if connected. Comparing the maximum altitude of the sun at two cities. From venus, earth looks in its full phase. 2/3 the way from the centre of galaxy. Shift to a shorter wavelength = blue shift = moving closer. Always emits more radiation per unit of sa than a cooler one. Remember, electrons do not orbit the nucleus like planets do the sun.

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