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New Moon for Neptune

17 Jul 2013, 15:42 UTC
New Moon for Neptune
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A SETI astronomer finds a never-before-seen solar system neighbor.

For all the new, exotic things astronomers discover in the universe, it’s almost more exciting to find out there was something hanging out in our own neighborhood that we never knew was there. This week, the SETI Institute announced that one of its astronomers, Mark Showalter, found a never-before-seen moon around Neptune, it’s 14th (circled above) noting that it was even missed by Voyager 2 when it flew by and surveyed the planet’s rings and moons in 1989. He used the Hubble Space Telescope to study the planet, then re-processed and combined 150 images in sets of eight to 10.
The news sounded a bit familiar. Air & Space interviewed Showalter earlier this summer about studying the solar system, and he told us a similar story. You can read the interview in full in our feature on the Hubble Space Telescope, part of our upcoming 2013 special collector’s edition on aerospace inventions, The Genius Factor, which arrives on newsstands this August. Here’s a snippet, in which we asked him about imaging the rings of Uranus:
“Hubble remains far and away the most powerful instrument we have for studying the families of ...

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