The Zodiac is the name of the virtual belt in which the planets, Sun, and Moon appear to move about the sky. In reality, the planets and their respective moons (most of them anyway) orbit the Sun about the same plane. Because the orbits of the planets are not on a perfect plane, the Zodiac band is 16° wide - 8° on either side of the ecliptic.
December 18, 2011
The Atacama Large Millimeter/submillimeter Array (ALMA)
Is the largest astronomical project in existence. ALMA will be a single telescope of revolutionary design, composed initially of 66 high precision antennas located on the Chajnantor plateau, 5000 meters altitude in northern Chile.
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