20150915

Online reading assignment: atmosphere problems, Earth, the moon, Mercury (NC campus)

Astronomy 210, fall semester 2015
Cuesta College, San Luis Obispo, CA

Students have a weekly online reading assignment (hosted by SurveyMonkey.com), where they answer questions based on reading their textbook, material covered in previous lectures, opinion questions, and/or asking (anonymous) questions or making (anonymous) comments. Full credit is given for completing the online reading assignment before next week's lecture, regardless if whether their answers are correct/incorrect. Selected results/questions/comments are addressed by the instructor at the start of the following lecture.

The following questions were asked on reading textbook chapters and previewing presentations on problems caused by the atmosphere for telescope observing, Earth, and the impacted worlds: the moon, and Mercury.

Selected/edited responses are given below.

Describe something you found interesting from the assigned textbook reading or presentation preview, and explain why this was personally interesting for you.
"That there are more types of light that we can't see. I never thought about there being types of light we can't see."

"I liked reading about the plate tectonics. It makes me think of how our Earth once was, and the fact that is it constantly changing, and I just wonder where it will end up."

"The differences and similarities between the moon and Mercury."

"How the core temperature of a planet is associated with the geological activity of the planet."

"I didn't know that there was a such thing as 'light pollution.' I knew that the more lit up it is outside, the less you can see in the night sky, but I didn't know it had a name."

"When given the example with the turkey and cornish hen, it seemed kind of obvious to figure out which planets had the most activity."

Describe something you found confusing from the assigned textbook reading or presentation preview, and explain why this was personally confusing for you.
"I didn't really find anything confusing, it's just a lot of information."

"The electromagnetic spectrum."

"Plate tectonics. I understand how it happens but I am confused on why."

"Knowing which features on the moon and Mercury are oldest and youngest."

Stars to appear to "twinkle" in the night sky because of:
"Turbulence in the atmosphere of Earth. As the atmosphere churns, the light from the star is refracted in different directions."

"Light pollution?"

A large modern optical telescope in outer space would have images with better __________ than a comparable ground-based telescope.
brightness.   ***** [5]
resolution.   ******** [8]
magnification.   ** [2]
(None of the above choices.)   * [1]
(Two of the above choices.)   ****** [6]
(All of the above choices.)   ***** [5]
(Unsure/guessing/lost/help!)   *** [3]

Identify how carbon dioxide enters and how it is taken out of Earth's atmosphere.
(Only correct responses shown.)
Enters atmosphere from: volcanoes [50%]
Taken out of atmosphere by: oceans [47%]

Identify the oldest (longest ago) to the youngest (most recent) features on the moon.
(Only correct responses shown.)
Craters partially filled in with flat lava plains: oldest (formed longest ago) [30%]
Flat lava plains: middle [21%]
Craters on top of flat lava plains: youngest (formed most recently) [43%]

Identify the oldest (longest ago) to the youngest (most recent) features on Mercury.
(Only correct responses shown.)
Large crater basins: oldest (formed longest ago) [57%]
Lava-filled lowlands: middle [37%]
Long curving ridges: youngest (formed most recently) [43%]

Ask the instructor an anonymous question, or make a comment. Selected questions/comments may be discussed in class.
"I really enjoyed the star party thing and I'm looking forward to the next one. When is it?" (Thursday night, October 29. More details to follow)

"I get confused when we have homework on the night before the quiz on information that is not on the quiz." (That is because you are reading ahead on stuff to be covered in the upcoming class.)

"I wish we had more in-class lectures." (Looking at some of your online reading assignment responses, yes, you do need more lecture time in class.)

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