Saturday, December 08, 2012

Challenging current theories of how rocky planets form

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - Astronomers have found that the outer region of a dusty disc encircling a brown dwarf star contains millimeter-sized solid grains. The grains resemble those found in denser discs around newborn stars. The findings could challenge current theories of how rocky planets form. See article.
g Abodes - Cassini mission have spotted a second feature shaped like the 1980s video game icon in the Saturn system, this time on the moon Tethys. See article.
g Intelligence - Borrowing from microfabrication techniques used in the semiconductor industry, MIT and Harvard Medical School engineers have developed a simple and inexpensive way to create three-dimensional brain tissues in a lab dish. See article.

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