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New Discovery of Protostellar Jets Advances Star Formation Knowledge

9/7/2025

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Summary

Story summary

Astronomers discovered protostellar jets in the Milky Way's outer regions, enhancing our understanding of star formation.
Findings in The Astrophysical Journal used the Atacama Large Millimeter/submillimeter Array (ALMA) to capture images 51,000 light-years from the galactic center.
The protostar Sh 2-283-1a SMM1, located 26,000 light-years from Earth, exists in a low-metallicity environment.
Observations revealed episodic jet ejections every 900 to 4,000 years, influencing stellar growth.
ALMA detected complex organic molecules, suggesting increased chemical complexity in space.

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Story summary

Astronomers discovered protostellar jets in the Milky Way's outer regions, enhancing our understanding of star formation.
Findings in The Astrophysical Journal used the Atacama Large Millimeter/submillimeter Array (ALMA) to capture images 51,000 light-years from the galactic center.
The protostar Sh 2-283-1a SMM1, located 26,000 light-years from Earth, exists in a low-metallicity environment.
Observations revealed episodic jet ejections every 900 to 4,000 years, influencing stellar growth.
ALMA detected complex organic molecules, suggesting increased chemical complexity in space.