Arecibo Observatory, Arecibo

The Arecibo Observatory is a very sensitive radio telescope located approximately 9 mi south-southwest from the town of Arecibo in Puerto Rico. It is operated by Cornell University under cooperative agreement with the National Science Foundation. The observatory works as the National Astronomy and Ionosphere Center (NAIC) although both names are officially used to refer to it. NAIC more properly refers to the organization that runs both the observatory and associated offices at Cornell University. The observatory's 305m radio telescope is the largest single-aperture telescope ever constructed. It carries out three major areas of research: radio astronomy, aeronomy (using both the 305m telescope and the observatory's lidar facility), and radar astronomy observations of solar system objects.

(August 1 to December 14 ) and (January 16 to May 31)
Wednesday - Sunday - Holidays ... 9:00 am - 4:00 pm
Mondays and Tuesdays Closed

Summer Season
(June 1 - July 31)
Monday - Sunday
9:00 am - 4:00 pm

Winter Season
(December. 15 - January. 15)
Monday - Sunday
9:00 am - 4:00 pm

Closed on the following Holidays
Good Friday, Thanksgiving, Christmas, New Year and Three Kings Day.

Admission: Adults $6.00, Children and Senior $4.00

Contact Information:
787 - 878 - 2612
www.naic.edu

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