Astronomy Picture of the Day

Explanation: The Arecibo radio telescope is currently the largest single-dish telescope in the world. First opening in 1963, this 305 meter (1000 foot) radio telescope resides in a natural valley of Puerto Rico. The Arecibo telescope has been used for many astronomical research projects, including searches and studies of pulsars, and mapping atomic and molecular gas in the Galaxy and the universe. As the Arecibo dish can also be used to send radio waves, it has bounced and recorded radiation off of planets in our Solar System, and has even broadcast messages to areas of the Galaxy that might contain intelligent extra-terrestrial life. Any person in the world may use the telescope, providing their proposal is selected by a review committee.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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Publications with keywords: telescope - radiotelescope - Arecibo
Publications with words: telescope - radiotelescope - Arecibo
See also:

• Astronomer s Moon
• The Very Large Array Turns Twenty
• A Big Dish at the VLA Radio Observatory
• The 220 Mirrors of CRTF
• The Very Large Array of Radio Telescopes
• Gemini North Telescope Inaugurated
• SOFIA s Window Seat

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