Editor’s note: This story was first published on SN Online February 17. On April 1, the Space Telescope Science Institute in Baltimore, Md., issued a press release announcing the finding.
OLD DATA, NEW FIND A new image processing technique reveals something not before seen in this Hubble Space Telescope image taken 11 years ago: A faint planet (arrows), the outermost of three discovered with ground-based telescopes last year around the young star HR 8799.
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