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At the
Astronomy Picture of the Day website you can
find all sorts of educational information about astronomy. You
can also click their "search" link to look for other images of M5
and M13 if you want. We have submitted our color image of M5 that we made to them,
because it's so much better than
the one they have.
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A site with lots of info about Messier objects is the
SEDS Messier Database. You can look specifically at their
information on
M5 or
M13.
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| I found a neat website with an
animated color-magnitude diagram. You
populate the diagram with a bunch of stars and then hit "evolve":
watch the age of the cluster increase (the little number at the
bottom left) and watch the main sequence stars turn off, starting
at the bright blue end and working redder. |