From: Linda Conrad <lindac@quest.arc.nasa.gov>
Subject: Re: Eclipse Party
Date: Tue, 17 Sep 1996 19:37:46 -0700 (PDT)
Hi Dave, Charles and anyone else interested, Let me save Jan a bit and sent this for her: The URL for the Star Census is: http://quest.arc.nasa.gov/hst/events/starsearch.html Enjoy, Linda On Tue, 17 Sep 1996, Charles F. Lindgren wrote: > Hey Dave, > > Yes there is a formal lesson. Check with Jan Wee to see if it still exists > on the old Hubble site from last year. It's really simple. I have my kids > take a paper towel roll core and make 25 random observations of the sky. > NASA wants them to make them from specific points and angles of elevation, > I like the random part better. Then they add up the total number of stars > seen for the 25 observations and find the average. Then you multiply that > average by 700 and that supposedly gives you the total number of stars in > the sky. It's a great lesson! I'm having my kids do 2 counts, one when the > moon is full, the next during totality. Maybe we can share data afterwards? > > You can also classify the darkness of the eclipse. The numbers range from 0 to 4 > > 0 = Almost invisible > 1 = gray-brown with a few details visible > 2 = more obvious dark red color with a light rim > 3 = brighter red color with the moon easily visible > 4 = brilliant orange > > As you can see this is open to some interpretation. It's also fun to see > how different the kids' observations are. > > Keep in touch, > > Charlie Lindgren > > >