ALMA Makes First-Ever Detection of Gas in a Circumplanetary Disk 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 y
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. Science images from the research show blob-like emissions of light coming from otherwise empty gaps in the highly-structured, seven-ring disk . Credit: ALMA , J. Bae to study planet formation have made the first-ever detection of gas in a circumplanetary disk.
While studying AS 209 — a young star located approximately 395 light-years from Earth in the constellation Ophiuchus — astronomers observed a blob of emitted light in the middle of an otherwise empty gap in the gas surrounding the star. That led to the detection of the circumplanetary disk surrounding a potential Jupiter-mass planet.
Researchers are closely watching the system, both because of the planet’s distance from its star and the star’s age. Theis located more than 200 astronomical units , or 18.59 billion miles, away from the host star. This vast distance challenges currently accepted theories of planet formation. And if the host star’s estimated age of just 1.6 million years holds true, this exoplanet could be one of the youngest ever detected.
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