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Hubble Observes Stars Flaring to Life in Orion A tumultuous orange cloud of gas and dust is laced with areas of dark dust and scattered with bright stars. Protostar HOPS 181 is buried in layers of dusty gas clouds, but its energy shapes the material that surrounds it. NASA, ESA, and T. Megeath (University of Toledo); Processing: Gladys Kober (NASA/Catholic University of America) A jet streams diagonally out from upper right corner of the orange-colored image to the center, across a field of gas clouds and stars. While most of the image is full of gas, the upper right corner is mostly clear of gas and dust, and more stars are visible in this darker space. A protostar wrapped in obscuring dust creates a cavity with glowing walls while its jet streams into space. NASA, ESA, and T. Megeath (University of Toledo); Processing: Gladys Kober (NASA/Catholic University of America) A bright protostar is nestled within a cavern-like gap in a cloud of gas and dust to the left. To the right, the gas cloud fades away to show a area thick with glittering stars. A curving cavity in a cloud of gas has been hollowed out by a protostar in this Hubble image. NASA, ESA, and T. Megeath (University of Toledo); Processing: Gladys Kober (NASA/Catholic University of America)

Just-forming stars, called protostars, dazzle a cloudy landscape in the Orion Molecular Cloud complex (OMC). These three new images from NASA’s Hubble Space Telescope were taken as part of an effort to learn more about the envelopes of gas and dust surrounding the protostars, as well as the outflow cavities where stellar winds and jets from the developing stars have carved away at the surrounding gas and dust.

Scientists used these Hubble observations as part of a broader survey to study protostellar envelopes, or the gas and dust around the developing star. Researchers found no evidence that the outflow cavities were growing as the protostar moved through the later stages of star formation. They also found that the decreasing accretion of mass onto the protostars over time and the low rate of star formation in the cool, molecular clouds cannot be explained by the progressive clearing out of the envelopes.

The OMC lies within the “sword” of the constellation Orion, roughly 1,300 light-years away.

A tumultuous orange cloud of gas and dust is laced with areas of dark dust and scattered with bright stars. Protostar HOPS 181 is buried in layers of dusty gas clouds, but its energy shapes the material that surrounds it. NASA, ESA, and T. Megeath (University of Toledo); Processing: Gladys Kober (NASA/Catholic University of America) This Hubble image shows a small group of young stars amidst molecular clouds of gas and dust. Near the center of the image, concealed behind the dusty clouds, lies the protostar HOPS 181. The long, curved arc in the top left of the image is shaped by the outflow of material coming from the protostar, likely from the jets of particles shot out at high speeds from the protostar’s magnetic poles. The light of nearby stars reflects off and is scattered by dust grains that fill the image, giving the region its soft glow.


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A jet streams diagonally out from upper right corner of the orange-colored image to the center, across a field of gas clouds and stars. While most of the image is full of gas, the upper right corner is mostly clear of gas and dust, and more stars are visible in this darker space. A protostar wrapped in obscuring dust creates a cavity with glowing walls while its jet streams into space. NASA, ESA, and T. Megeath (University of Toledo); Processing: Gladys Kober (NASA/Catholic University of America)
Download this image (6 MB)

The bright star in the lower right quadrant called CVSO 188 might seem like the diva in this image, but HOPS 310, located just to the left of center behind the dust, is the true hidden star. This protostar is responsible for the large cavity with bright walls that has been carved into the surrounding cloud of gas and dust by its jets and stellar winds. Running diagonally to the top right is one of the bipolar jets of the protostar. These jets consist of particles launched at high speeds from the protostar’s magnetic poles. Some background galaxies are visible in the upper right of the image.

A bright protostar is nestled within a cavern-like gap in a cloud of gas and dust to the left. To the right, the gas cloud fades away to show a area thick with glittering stars. A curving cavity in a cloud of gas has been hollowed out by a protostar in this Hubble image. NASA, ESA, and T. Megeath (University of Toledo); Processing: Gladys Kober (NASA/Catholic University of America)
Download this image (5.7 MB)

The bright protostar to the left in this Hubble image is located within the Orion Molecular Clouds. Its stellar winds — ejected, fast-flowing particles that are spurred by the star’s magnetic field — have carved a large cavity in the surrounding cloud. In the top right, background stars speckle the image.

New images added every day between January 12-17, 2026! Follow @NASAHubble on social media for the latest Hubble images and news and see Hubble’s Stellar Construction Zones for more images of young stellar objects.

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Media Contact:

Claire Andreoli
NASA’s Goddard Space Flight Center, Greenbelt, MD
claire.andreoli@nasa.gov

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Details Last Updated Jan 14, 2026 Location NASA Goddard Space Flight Center Related Terms Hubble Space Telescope Astrophysics Astrophysics Division Goddard Space Flight Center Protostars Stars The Universe

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Hubble Observes Stars Flaring to Life in Orion