PDA

View Full Version : New Technique Could Find Another “Pale Blue Dot”



Fraser
2009-May-26, 01:40 PM
By looking back at Earth from alien’s point of view, scientists have developed a new technique to look for other worlds that might harbor oceans, and therefore life. Using the old Deep Impact spacecraft, which is now being used for the EPOXI mission, scientists are able to look at the spectrum of an extrasolar planet’s [...]

More... (http://www.universetoday.com/2009/05/26/new-technique-could-find-another-pale-blue-dot/)

jhwegener
2009-May-27, 06:14 AM
If the oceans are found as the planet rotate(light variations), it may perhaps be the first step of a "crude map", if only in the east-west direction, and perhaps only as rough land/water ratios. imagine that combined in some way with finding nroth/south ratios(?) perhaps by studying seasonal variations?