Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...
I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...
Aki Roberge of NASA’s Goddard Space Flight Center explains how observations tell us about poison gas, comet swarms and a hypothetical planet around Beta Pictoris.
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