VLBA radio telescope

VLBA radio telescope

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Credit: G. BRAD LEWIS/SCIENCE PHOTO LIBRARY

Caption: Hawaii VLBA radio telescope. Technician using a laptop computer below the dish antenna of one of the radio telescopes in the Very Long Baseline Array (VLBA) network. This international network consists of ten telescopes located from Hawaii to the Virgin Islands. The VLBA network simulates a giant antenna by using interferometry techniques to combine the data obtained by the individual telescopes. Each antenna weighs 240 tonnes, is nearly as tall as a ten-storey building, and has a dish with a 25 metre diameter. The telescope obtains measurements of centimetre long radio wavelengths. This dish antenna is located on the extinct volcano Mauna Kea in Hawaii, USA.

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Keywords: american, antenna, astronomer, astronomy, astrophysics, dish, hawai'i, hawaii, man, mauna kea observatory, observatory, radio telescope, scientist, technician, united states, usa, very long baseline array, vlb

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