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Astro Bob: Astronomers spot moon-forming disk around Jupiter-like exoplanet

Astro Bob: Astronomers spot moon-forming disk around Jupiter-like exoplanet There are more moons than planets in our solar system. Yet convincing evidence of moons among the nearly 5,000 known extrasolar planets has been scant … until now. Written By: Bob King for the Duluth News Tribune | 2:37 pm, Jul. 25, 2021 × This image shows the PDS 70 planetary system, located nearly 400 light-years away and still in the process of being formed. The central star (center) has at least two planets orbiting it: PDS 70b (not visible in the image) and PDS 70c, the dot to the right of the star. The planets have carved out a cavity in the orange, ring-like disk of material as they gobble up the dust there. During this process, PDS 70c acquired its own circumplanetary disk, where young moons may lurk. (ALMA (ESO/NAOJ/NRAO)/Benisty et al.)

Scientists Identify Moon-Forming Disk Around Planet Outside Solar System

Scientists Identify Moon-Forming Disk Around Planet Outside Solar System The URL has been copied to your clipboard 0:00 0:05:44 0:00 Pop-out player Scientists say they have clearly identified for the first time a moon-forming area around a planet beyond our solar system. The ring-shaped area surrounds an exoplanet called PDS 70c. An exoplanet is a planet that orbits a star outside our solar system. The identified region is known as a circumplanetary disk. This is an area surrounding a planet where moons and other satellite objects can form. The disk is made up of gas and dust. Researchers from the ALMA observatory, which operates from Chile’s Atacama desert, made the discovery. ALMA is the largest radio telescope in the world.

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