Here's your clearest look yet at an alien planet in motion

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Jon Fingas
September 20, 2015 8:30 PM
Here's your clearest look yet at an alien planet in motion

That pixelated dot you see above may not seem like much, but it's a pretty big deal -- it's your best look yet at an alien world. Scientists have used the Gemini Planet Imager to capture the movement of Beta Pictoris b, a gas giant traveling around a star 60 light years away. That's no mean feat when the exoplanet is about a million times fainter than its host, requiring that the Imager block the star's light and compensate for the distortion of Earth's atmosphere. The visuals are important beyond bragging rights, we'd add, since they'll provide more insight regarding both the planet's composition and its relationship to nearby objects. Although it's going to be a long, long while (if ever) before you get clearly recognizable snapshots of an exoplanet, this abstract imagery has more than enough to keep scientists busy.

[Image credit: M. Millar-Blanchaer/Dunlap Institute, F. Marchis/SETI Institute]

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