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?

Scroll to:
Photometric Transit method
At:
http://www.novacelestia.com/space_art_extrasolar_planets/detect_extrasolar_planets.html

Also:

http://exoplanets.org/