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Astronomers May Have Discovered the Youngest Planet Ever Detected in Our Galaxy - SciTechDaily

Astronomers May Have Discovered the Youngest Planet Ever Detected in Our Galaxy - SciTechDaily

Astronomers May Have Discovered the Youngest Planet Ever Detected in Our Galaxy - SciTechDaily
Aug 11, 2022 1 min, 18 secs

Scientists studying the young star AS 209 have detected gas in a circumplanetary disk for the first time, which suggests the star system may be harboring a very young Jupiter-mass planet.

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) to study planet formation have made the first-ever detection of gas in a circumplanetary disk.

What’s more, the detection also suggests the presence of a very young exoplanet.

Analyzing these disks in their earliest stages may help shed light on the formation of our own Solar System, including that of Jupiter’s Galilean moons, which scientists believe formed in a circumplanetary disk of Jupiter around 4.5 billion years ago.

That led to the detection of the circumplanetary disk surrounding a potential Jupiter-mass planet.

This vast distance challenges currently accepted theories of planet formation.

AS 209 is a young star in the Ophiuchus constellation that scientists have now determined is host to what may be one of the youngest exoplanets ever.

The star system has been of interest to scientists working in the ALMA MAPS — Molecules with ALMA at Planet-forming Scales — collaboration for more than five years due to the presence of seven nested rings, which researchers believed to be associated with ongoing planet formation.

The new results provide additional evidence of planet formation around the young star.

Artist impression of the circumplanetary disk discovered in 2021 around a young planet in the PDS 70 star system.

In 2019, ALMA scientists made the first-ever detection of a circumplanetary, moon-forming disk while observing the young exoplanet PDS 70c, and confirmed the find in 2021.

August 8, 2022

August 8, 2022

August 8, 2022

August 7, 2022


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