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These Iron Rings Around A Star Show Where Planets are Forming

Astronomers have found a protoplanetary disk with iron-rich rings separated by gaps. It's like looking at our young Solar System.

Three Iron Rings In A Planet-Forming Disk

Three Iron Rings In A Planet-Forming Disk
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Three iron rings in a planet-forming disk

Heidelberg, Germany (SPX) Jan 09, 2024 - A research team, including astronomers of the Max Planck Institute for Astronomy (MPIA), has detected a three-ringed structure in the nursery of planets in the inner planet-forming disk of a young s

Giant iron rings might hold clues on how solar systems form

To find out how our own Solar System formed, astronomers have to look at our stellar neighbours – a fledgling star 500 light years away could help.

Three iron rings in a planet-forming disk

<p><strong>A research team, including astronomers of the Max Planck Institute for Astronomy (MPIA), detected a three-ringed structure in the nursery of planets in the inner planet-forming disk of a young star. This configuration suggests two Jupiter-mass planets are forming in the gaps between the rings. The detailed analysis is consistent with abundant solid iron grains complementing the dust composition. As a result, the disk likely harbours metals and minerals akin to those in the Solar System&rsquo;s terrestrial planets. It offers a glimpse into conditions resembling the early Solar System over four billion years ago during the formation of rocky planets such as Mercury, Venus, and Earth.</strong></p>

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