g Abodes - The masses of exoplanets have so far been inferred from the tiny gravitational pull they exert on the host stars. It is now possible to measure them from shifts in spectral lines arising from the planets’ atmospheres. See article.
g Life - Water is not an essential ingredient for life, scientists claim. See article. This article is from 2004.
g Message - What sort of signal would satisfactorily announce an extraterrestrial intelligence as detected by radio-emission or light reception? For an opinion article on what sort of signal is a SETI hit, click here.
g Cosmicus - With the retirement of NASA's space shuttles on the horizon, a special White House-appointed task force has launched a new interactive website to seek input from Florida's Space Coast workers most affected by the looming course changes in America's space program. See article.
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