Class 6, ICA #5, September 4.

We finished the Prather et al. pages 123-124 and
had 4 clicker questions.

There were 8 total marks possible.  You get 1 mark
for answering, 1 more mark for answering correctly. 

The clicker questions count for a total of 1 point toward your
course grade, so your points for the day = # of marks * (1/8).




Clicker Question #1:

Problem #5 on Prather et al. 124.

D. ABC.



Clicker Question #2:

Problem #9 on Prather et al. 125.

D. SagDEG and LMC bun not Andromeda.




Clicker Question #3:

If you started with the picture and wanted
to draw the whole Observable Universe around it,
how big a sheet of paper would you need?>

C. About the size of a city.





Clicker Question #4:

Earliest human civilization (~10000 yeras ago)
started when on the 'cosmic' calendar?

D. Late on December 31, during 11:59pm.