g STARS - Astronomers have captured clear, detailed images of a disk around a young star. Within the disk is a spiral structure with two clearly discernible arms, and the team believes this shape may be caused by planets. See article.
g ABODES - A new study indicates that clay minerals cover a larger portion of Mars than previously thought. Clay minerals usually form when water is present for long periods of time, and they could help astrobiologists understand the potential for habitable environments on ancient Mars. See article.
g AFTERMATH - Epicurus, in the fourth century BC, believed that the universe contained other worlds like our own, and since his time there has been considerable debate whether extraterrestrial life exists and might communicate with us. In the last quarter of the twentieth century, an international social movement - Communication with Extraterrestrial Intelligence - has emerged which advocates an attempt to achieve communication with extraterrestrial intelligence, and many of its most active members have been leading scientists. Modest efforts to detect radio signals from intelligent extraterrestrials already have been made, both under government aegis and privately funded, and the technical means for a more vigorous search have been developed. If a CETI project were successful, linguists would suddenly have one or more utterly alien languages to study, and some consideration of linguistic issues is a necessary preparation for it. See article
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