Contrast the Great Red and Great Dark Spots
What will be an ideal response?
Both storms are oval, and lie at mid-southern latitudes. But Jupiter's Great Red Spot has been continuously observed since we had telescopes that could spot it, while the Great Dark Spot was prominent for Voyager 2 in 1989, but had vanished from the disk of Neptune by 1995.
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What keeps water frozen on Mars?
a. The constant subzero surface temperatures b. The low atmospheric pressure of the planet c. The distance between Mars and the Sun d. The relatively quick rotation period e. The negligible axis tilt of the planet
Which of the following is not one of the spread sheets used by the NRC?
Dispersion occurs when:
a. some materials bend light more than other materials. b. a material slows down some wavelengths more than others. c. a material changes some frequencies more than others. d. light has different speeds in different materials.
If no external forces act on a moving object, it will
A) continue moving at the same speed. B) move slower and slower until it finally stops. C) come to an abrupt halt. D) none of the above