Rocks/Rocky objects/Astronomy/Quiz

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This view from the Cassini orbital mission at Saturn shows the high-resolution color of the leading hemisphere of Tethys. Credit: NASA/JPL/Space Science Institute/Universities Space Research Association/Lunar & Planetary Institute.

Rocky-object astronomy is a lecture and an article regarding specific astronomical objects and their astrognosy.

You are free to take this quiz based on rocky-object astronomy at any time.

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Quiz[edit | edit source]


1 Yes or No, Although the surface of Io appears to contain a lot of sulfur as a yellow mineral, the occasional blotches of red surface color indicate liquid sulfur.


2 Complete the text:

"In the green, the

of the pure

composition qualitatively appears a better

to the shape of the observed polarization curves."

3 True or False, The silicates used to model the cometary coma dust are olivene (Mg-rich is green) and the pyroxene, asbestos.


4 Which of the following is not a phenomenon associated with a comet?

elongated dust particles
high albedo
coronal mass ejection

5 Yes or No, The dusky bluish band along the equator of Tethys, is likely due to the bombardment and alteration of the surface by high energy electrons traveling slower than the satellite's revolution period.


6 With respect to protoplanetary disks what green mineral has been found?

7 Yes or No, Several features on the surface of Triton appear to be affected by the thin atmosphere; the elongated dark streaks may represent particulate materials blown in the same direction by prevailing winds, and the white material may be frost deposits.


8 Green earth is a natural pigment composed of what likely source of green?

9 True or False, There are green or green mineral containing meteorites.


10 Yes or No, NASA's Dawn spacecraft Framing Camera (FC) discovered enigmatic green material on Vesta. FC images revealed diffuse green ejecta around two impact craters, 34-km diameter Oppis, and 30-km diameter Octavia, as well as numerous sharp-edge green units in the equatorial region.


See also[edit | edit source]

External links[edit | edit source]

{{Radiation astronomy resources}}