posted by kat .
write an account that considers what conditions would be required on an earth-like extrasolar planet for the carbon based life to evolve. In your answer you must keep in mind what is thought to have happened on earth, and you must:
according to this i have to write about how the occultation technique can indicate the presence of a large extrasolar planet.
can any1 tell me wat this means?
Photometric Transit method