Download Astro 101-001 Summer 2013 Assigmnent #2 Due: Monday 6/24

Astro 101-001 Summer 2013
Assigmnent #2
Due: Monday 6/24
1. Which two planets have the most eccentric orbits in the solar system?
2. What are two key differences between Terrestrial planets and Jovian
planets?
3. The most distant feature of our solar system is (a) the “planet” Pluto; (b)
the Kuiper Belt; (c) the asteroid belt; (d) the Oort cloud.
4. Comets have two types of tails, name them (one word each).
5. The major source of water detected on the Moon is located in: (a) the
mare; (b) the floors of deep craters in the polar regions, as ice deposits
that never thaw; (c) the flows of mud seen on the walls of some craters;
(d) the puffs of steam seen coming from some still active lunar volcanoes;
(e) faint clouds of ice in the thin lunar atmosphere.
6. The atmospheric gases primarily responsible for Earth’s greenhouse effect
are: (a) carbon monoxide and methane; (b) hydrogen and helium; (c)
oxygen and carbon dioxide; (d) argon and water vapor; (e) water vapor
and carbon dioxide.
7. Why is the Moon heavily cratered but Earth is not?
8. Is there evidence that water ever existed on Mars? If so, what is it?
9. What is the primary effect the carbon dioxide in Venus' atmosphere has on
the planet?
10. Alternating zones of rising and sinking gas in Jupiter's atmosphere: (a)
create light and dark bands; (b) cause Jupiter's magnetic field to ripple; (c)
produced the ring system discovered by Voyager; (d) generate magnetic
fields; (e) circle the planet from pole to pole.