Eclipses

Feb. 10th, 2014 10:09 am
asterroc: (Astro - H-alpha)
Like any good researcher, when I noticed students responding a certain way to a free response question, I tried to tabulate what they all said, and turned it into multiple choice. Basically, the students were trying to describe why we don't have solar and lunar eclipses every month. The drawings below are based on the word descriptions from the students. And I wanna know what you think: which picture is the main reason why we don't have solar and lunar eclipses every month?

Descriptions in words:
A) "The Moon is in a different plane."
B) "The Moon's axis is tilted."
c) "The Moon goes above and below."
D) "The Moon's orbit isn't a perfect circle."
E) "The Moon's orbit is tilted."

2014-02-10 09.40.21

[Poll #1956047]
asterroc: (Astro - H-alpha)
A few questions about terminology in astronomy... For any of the "Something else"s, I encourage you to comment. Or just in general, feel free to comment, though I'd appreciate it if you filled out the survey before you read the comments.

NOTE: third question didn't come out right, it's supposed to read "Are either the words 'size' or 'bigger' ambiguous to you?" If you care to add this in the comments, I'd love to know. :)

[Poll #1929305]

Moon....

Jun. 11th, 2013 10:49 pm
asterroc: (Astro - 2MASS)
My students this semester found this question more challenging than they usually do. It's small number statistics and all, but I'm curious what y'all think. Please answer before viewing other people's answers, and if you care to explain your reasoning in the comments, I'd love to see.

[Poll #1918673]

Flu shots!

Aug. 26th, 2009 11:53 am
asterroc: (rhino)
I'm curious whether people are planning to get the flu shot this year.

[Poll #1449243]
Go check this out. After the ad finishes playing, turn up your speakers when they say "But now a new genre has emerged," and when there's a girl's knees in torn jeans with a really high-tech cellphone on them. You'll hear (or not) the sound when the cellphone on the table is flashing and before the announcer comments on whether you heard it or not.

[Poll #747684]

I actually did hear it, unlike the one that [livejournal.com profile] the_xtina linked to a while ago (anyone remember that link?), but also I was on a laptop then and I have good speakers now (hence wanting the link).

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