Measuring the Universe
Have a look at the slides for Terry Tao’s nontechnical talk on the cosmic distance ladder. It is a great story of ideas about measuring the cosmos from the ancient Greeks to the present. It is full of History, Math, and Science. If you or your kids are interested in space, don’t miss it!
[...] ties in really well with a lesson I plan to give some time down the road on the cosmic distance ladder, because the close relationship between temperature, color, and luminosity lets us estimate how far [...]
TWF 257 « Rolfe Schmidt
October 16, 2007 at 3:34 pm