==2004-2005 P.O.D.s==
==BSLG== Astro-PODs

12 MAY 2005
Q. What is the difference between rotation and revolution? Give an example 
(preferably from astronomy) of each type of motion.
A. Rotation: an object spins around an imaginary axis, e.g., the Earth's 
rotation causes day & night. Revolution: an object moves around (orbits) 
another object, e.g., the Earth goes around the Sun in one year.

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23 MAY 2005
Q. List the planets in our Solar System in order of distance from the Sun.
A. M, V, E, M, J, S, U, N, P

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26 MAY 2005
Q. If the Moon is in the First Quarter phase, then approximately how many
days 'til Last Quarter?
A. ~14 days

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27 MAY 2005
Q. In your measurement of the Sun's diameter, the distance between the
"lens" and "film" cards is too large. How would this error affect your
experimental value (E.V>)?
A. The EV would be too small.