News From the Field
Arecibo Observatory sees comet 209P/LINEAR
May 29, 2014
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The Arecibo Observatory planetary radar system observed periodic comet 209P/LINEAR from May 23 through May 27, 2014, finding it to be about 2.4 by 3 km kilometers (1.5 x 1.8 miles) in size and elongated in shape. This is consistent with the size range suggested by optical observations, but it is the first direct measurement of the comet's nucleus dimensions.Full StorySource
Arecibo Observatory
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