Scientists have caught a star 450 light-years from Earth, only 200 years old, spewing gas and energy in bursts, and no one knows for sure what is happening with it.

Written by Romário Pereira de Carvalho

Published on 12/04/2026 at 08:32

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Observation of a protostar only 200 years old reveals bursts of gas and energy in the Taurus Cloud and may change models of star formation

A protostar about 200 years old has been observed ejecting gas and energy in bursts in the Taurus Molecular Cloud, 450 light-years from Earth, in behavior compared to a “sneeze” that could change the understanding of star formation.

Rare observation at the beginning of formation

The formation of stars remains one of the most persistent enigmas in astronomy. Scientists know that they arise in dense regions of gas and dust, where several solar masses collapse into a compact area smaller than 0.1 light-years.

What happens right after ignition is still poorly understood. This initial stage is difficult to observe because young stars are surrounded by thick protostellar disks, which block much of the light emitted during these early moments.

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Protostar is estimated to be 200 years old

The central object of the study drew attention for its extreme youth. While the Sun is about 4.6 billion years old, this protostar is thought to have formed only about 200 years ago, making it one of the youngest ever observed.

The findings were reported in The Astrophysical Journal Letters. The case is considered rare because most newborn stars studied by astronomers are already nearly 100,000 years old.

Here, the team was able to observe a protostar almost immediately after the ignition phase. This increases the chance of tracking phenomena that tend to disappear or change before being clearly recorded.

Professor Masahiro N. Machida from the Faculty of Science at Kyushu University highlighted ALMA’s role in this type of investigation. According to him, the radio telescope allows the identification of different materials present in stellar nurseries.

Hot ring suggests large-scale process

Using ALMA, researchers detected a defined gas ring. The structure extends approximately 1,000 astronomical units from the stellar object and appeared slightly warmer than the surrounding region.

Kazuki Tokuda from Kagawa University stated that this temperature difference suggests ongoing activity.

The hypothesis raised by the team is that the ring was produced by a magnetic field crossing the protostellar disk.

In the interpretation presented, this mechanism would be linked to the “sneezes” observed earlier, but now on a larger scale.

Previous observations by the same team had already revealed smaller structures, about 10 AU, associated with magnetic activity in the disk.

These earlier structures were interpreted as brief expulsions of energy. The newly observed ring seems to reflect a similar but broader process, reinforcing the idea that the protostar redistributes magnetic gas shortly after its birth.

Magnetic fields, shock, and redistribution

The main explanation involves the interaction between magnetic fields and the protostellar disk.

This encounter could generate shock waves capable of heating the surrounding gas and reorganizing matter and energy around the newborn star.

This process may help young stars release excess energy as they evolve. The hypothesis is still under investigation, and new observations with ALMA will be necessary to better examine the inner regions of these rings.

Machida stated that the team will continue gathering data to strengthen the hypothesis and encourage rigorous debates about the results.

He emphasized that the movement of gas in star formation is orderly but also very chaotic.

The researcher added that it took ten years to reach these conclusions.

Now, the group intends to continue studying the protostar to understand the origin of these bursts, these shock waves, and this unusual behavior.

With information from Daily Galaxy.

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Scientists have caught a star 450 light-years from Earth, only 200 years old, spewing gas and energy in bursts, and no one knows for sure what is happening with it.

Observation of a protostar only 200 years old reveals bursts of gas and energy in the Taurus Cloud and may change models of star formation

Rare observation at the beginning of formation

Protostar is estimated to be 200 years old

Hot ring suggests large-scale process

Magnetic fields, shock, and redistribution

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Scientists have caught a star 450 light-years from Earth, only 200 years old, spewing gas and energy in bursts, and no one knows for sure what is happening with it.

Observation of a protostar only 200 years old reveals bursts of gas and energy in the Taurus Cloud and may change models of star formation

Rare observation at the beginning of formation

Protostar is estimated to be 200 years old

Hot ring suggests large-scale process

Magnetic fields, shock, and redistribution

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On the Greek island of Ithaca, archaeologists have found what may be a sanctuary dedicated to the legendary Odysseus, with inscriptions bearing his name and votive offerings that span from the Mycenaean to the Hellenistic era.

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