- Exoplanet Fomalhaut b (also known as Dagon) disappeared before astronomers’ eyes after being detected multiple times.
- A new theory suggests the would-be planet was actually a cloud of debris left over from a collision between two large icy objects.
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It wasn’t that long ago that astronomers could only dream of discovering worlds outside of our solar system. These days, exoplanet discoveries come at a regular pace, with new planets being spotted by the handful thanks to ever-more-powerful telescopes and detection systems. But what happens when scientists spot a planet and then it completely disappears?
That’s the predicament researchers found themselves in after Dagon, a massive gas giant exoplanet originally spotted in 2004 by the Hubble Space Telescope suddenly vanished. Now, researchers have a new theory as to what they actually saw, and it’s even more exciting than discovering a new planet.
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Astronomers spotted a massive exoplanet, and then it disappeared originally appeared on BGR.com on Tue, 21 Apr 2020 at 20:07:41 EDT. Please see our terms for use of feeds.
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