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The discovery of a solar system with its planets (video)

A number of astronomers have discovered a solar system with its amazingly rotating planets.

A video clip shows four points of light moving in partial concentric circles around a black disk at its centre.

Scientists explain that the four points are exoplanets, as the black disk obscures its star, 133.3 light years from Earth. Partial circles are its orbital motions, a time lapse compiled from 12 years of observations.

The star is HR8799, and in 2008 the exoplanets formed the first system (not the first exoplanet, it was “2M1207b” in 2004) that astronomers have ever seen directly.

Since then, astronomer Jason Wang of Northwestern University has been watching it with avidity. He grouped these observations in time lapse—not for any scientific reason, but simply because, as he puts it, they are so fascinating.

“But this video shows planets moving on a human time scale. I hope people can enjoy something wondrous,” he continued.

The current number of confirmed exoplanets (planets outside the solar system) is more than 5,200, but most of them cannot be seen in reality. (Sputnik)

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