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The Submillimeter Array
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SMA News
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The Submillimeter Array (SMA) is an 8-element radio interferometer located atop Mauna Kea in Hawaii. Operating at frequencies from 180 GHz to 700 GHz, the 6m dishes may be arranged into configurations with baselines as long as 509m, producing a synthesized beam of sub-arcsecond width. Each element can observe with two receivers simultaneously, with 2 GHz bandwidth each. The digital correlator backend allows flexible allocation of thousands of spectral channels to each receiver.
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June 17, 2010
Astronomers Witness Star Birth
Astronomers have glimpsed into the earliest stages of star formation, and have seen what could be the youngest known star at the very moment it is being born.
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June 11, 2010
The Atmosphere of Io
Io is one of the four moons of Jupiter that Galileo discovered after he turned his new telescope heavenward. They shocked him and his contemporaries because they demonstrated that heavenly bodies can orbit objects other than the earth.
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March 19, 2010
Astronomers Get Sharpest View Ever of Star Factories in Distant Universe
Astronomers have combined a natural gravitational lens and a sophisticated telescope array to get the sharpest view ever of "star factories" in a galaxy over 10 billion light-years from Earth. They found that the distant galaxy, known as SMM J2135-0102, is making new stars 250 times faster than our Galaxy, the Milky Way.
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