These humanoids helped out on this story

David Black director Lunar and Planetary Institute, Houston, Texas   * Priscilla Frisch department of astronomy University of Chicago     George Gatewood department of astronomy University of Pittsburgh and Allegheny Observatory   * Sanjay Limaye staff scientist, department of astronomy University of Wisconsin-Madison     Jeffrey Linsky department of astronomy University of Colorado, Boulder   * Dan Werthimer department of astronomy University of California, Berkeley     * denotes factchecker

The Why Files Staff Yael Gen, graphic designer Darrell Schulte, webmaster David (spyglass) Tenenbaum, staff writer Terry Devitt, astronomically gifted editor Amy Toburen, creative team member Susan Trebach, team leader Eric G.E. Zuelow, writin' code so ye do'nae have ta

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