This 10-second timelapse condenses 17 years of a gas giant exoplanet's incomplete orbit around its host star.
, on a tilted orbit. Located about 63 light-years from Earth in the Pictor constellation, Beta Pictoris b was first imaged in 2003.
However, the planet is not under continuous observation, so images are not available for every day during that 17 year period. “After Noel uniformly processed the data, Wang then used an algorithmic technique called motion interpolation to fill in gaps to create a continuous video. Otherwise, the exoplanet would jump around instead of smoothly orbiting through space,” explains Northwestern University.
Even though Beta Pictoris b is an especially large, bright exoplanet, it is still overpowered by its star, Beta Pictoris. When the exoplanet gets too close to its star, it is outshined. In these instances, the planet is marked with an X in the video. The star is covered by a black circle and marked with a star icon because special instrumentation is used to try to suppress glare caused by the star.
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