Astronomers have discovered the first lunar disk in an alien world

Astronomers have discovered the first disk encircling the planet outside solar system

The impressive circumplanetary disk is about 500 times larger than Rings of saturn and surrounds a Jupiter-like planet called PDS 70c. Scientists have seen many discs surrounding distant stars and previously suspected that moon-forming discs around such planets, but this is the first time such a system has been definitively identified, according to researchers.

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