Thursday, July 30, 2009

Aphelion

Meg Frampton or Dia Frampton? I cannot decide.




"I derive from the celestial phenomena the forces of gravity with which bodies tend to the sun and the several planets. Then from these forces, by other propositions which are also mathematical, I deduce the motions of the planets, the comets, the moon and the sea."
- The Principia

2 comments:

xiaokuang said...

Thanks a lot.

tina said...

i haven't read your blog in a long time!