|II. The Sky is Falling|
A. Sky and Telescope magazine reports about one meteorite fall
per year. How many similar meteorites fall over the entire Earth per year?
B. During a vigorous Perseid meteor shower, what is the probability
that one of humanity's artificial, Earth-orbiting satellites will be disabled?
C. Oort Cloud comets continually rain into the Solar System.
Sometimes they collide with a moon, say around Jupiter. How large
must such a Jovian moon be to resist catastrophic disruption?
Students in this group: (I: Emily, Nick, Matt: Yes)