exam 2 sbcc astronomy 101 Questions and Answers(A+ Solution guide)

Trojan asteroids - orbit ahead and behind jupiter Which of the following would you expect to differ significantly between a long-period comet and an asteroid? - distance at aphelion, albedo at perihelion, distance between the point of origin and the Sun, inclination of orbit A surge in a crowd is an example of what kind of wave? - P-Wave Evidence for plate tectonics - matching fossils in different landmasses, the shapes of the continents, convection in the mantle, observed motion of the continents. Rank the layers of Earth's atmosphere from the highest layer to the lowest layer. - ionosphere, mesosphere, stratosphere, troposphere Rank the terrestrial planets in order of their cooling rates from fastest to slowest. - Mercury, Mars, Venus, Earth slowest rotational period -venus Roche Limit - distance where tidal forces destroy an object orbiting What is Mars' canyon? - Valles Marineris Atomic nucleus that transforms into another element - radioactive decay Jupiter and Saturns composition - Rocky center, metallic hydrogen, hydrogen Uranus and Neptune composition - Rocky center, ammonia, methane, hydrogen Callisto - furthers moon, shattered ice, cratersGanymede - largest, volcanism Europa - liquid water, second closest