Wednesday, January 23, 2013

another cool one!!- analemma

astrophotography-- figure 8

2 comments:

mom said...

what the heck is that.
lvoe, mom

Jill Frere said...

If you took a picture of the sun once a week for a year at noon, then stacked all those pictures together, that's what you get. The bottom of the analemma is the shortest week of the year, in winter, and the top is the height of Summer.-noah