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Hubble Unveils a Glittering View of Sh2-284
Hubble’s infrared view of emission nebula Sh2-284 provides a glimpse of the brilliant young stars hidden within clouds of gas and dust. Credit: NASA, ESA, and M. Andersen (European Southern Observatory – Germany); Processing: Gladys Kober (NASA/Catholic University of America)
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A tiny fraction of the stellar nursery known as Sh2-284 is visible in this glittering, star-filled NASA Hubble Space Telescope image. This immense region of gas and dust is the birthing place of stars, which shine among the clouds. Bright clusters of newborn stars glow pink in infrared light, and clouds of gas and dust, resembling puffy cumulus clouds, are dotted with dark knots of denser dust.
This image shows an infrared view from Hubble, giving an excellent view of the stars that might otherwise be obscured by Sh2-284’s clouds. Unlike visible light, infrared wavelengths can travel through clouds of gas and dust, providing a glimpse of the stars forming within the obscuring clouds.
The nebula is shaped by a young central star cluster, Dolidze 25 (not visible in the Hubble image), whose stars range from 1.5 to 13 million years old (our Sun, in contrast, is 4.6 billion years old). The cluster blasts out ionizing winds and radiation, pushing at the gas and dust of the nebula and carving out intricate shapes and pillars, as seen in detail here. This ionizing radiation gives Sh2-284 its classification as an HII region, an emission nebula consisting primarily of ionized hydrogen. An emission nebula like Sh2-284 glows with its own light as stars within or nearby energize its gas with a flood of intense ultraviolet radiation.
The ground-based image (top) of M24 shows the location of the Hubble view (bottom). The European Southern Observatory’s visible-light image shows prominent clouds of gas and dust, while the Hubble image’s infrared vision highlights the stars within and behind the clouds. Ground-based image: ESO/VPHAS+ Team; Hubble image: NASA, ESA, and M. Andersen (European Southern Observatory – Germany); Processing: Gladys Kober (NASA/Catholic University of America) Sh2-284 is also a low-metallicity region, which means it is poor in elements heavier than hydrogen and helium. These conditions mimic the early universe, when matter was mostly helium and hydrogen and heavier elements were just beginning to form via nuclear fusion within massive stars. Hubble took these images as part of an effort to examine how low metallicity influences stellar formation and how this would apply to the early universe.
Sh2-284 resides 15,000 light-years away at the end of an outer spiral arm of our Milky Way galaxy, in the constellation Monoceros.
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claire.andreoli@nasa.gov
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Last Updated Mar 08, 2025 Location NASA Goddard Space Flight Center Related Terms
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By European Space Agency
Europe’s newest rocket, Ariane 6, took flight for the second time from Europe’s Spaceport in French Guiana at 13:24 local time on 6 March (16:24 GMT, 17:24 CET). This was the first commercial flight for Ariane 6, flight VA263, delivering the CSO-3 satellite to orbit. Arianespace was the operator and launch service provider for the French Procurement agency (DGA) and France’s space agency CNES on behalf of the French Air and Space Force’s Space Command (CDE).
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By European Space Agency
Europe’s newest rocket, Ariane 6, took flight for the second time from Europe’s Spaceport in French Guiana at 13:24 local time on 6 March (16:24 GMT, 17:24 CET). This was the first commercial flight for Ariane 6, flight VA263, delivering the CSO-3 satellite to orbit. Arianespace was the operator and launch service provider for the French Procurement agency (DGA) and France’s space agency CNES on behalf of the French Air and Space Force’s Space Command (CDE).
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By NASA
ESA/Hubble & NASA, R. Sankrit In this NASA/ESA Hubble Space Telescope image, Hubble once again lifts the veil on a famous — and frequently photographed — supernova remnant: the Veil Nebula. The remnant of a star roughly 20 times as massive as the Sun that exploded about 10,000 years ago, the Veil Nebula is situated about 2,400 light-years away in the constellation Cygnus. Hubble images of this photogenic nebula were first taken in 1994 and 1997, and again in 2015.
This view combines images taken in three different filters by Hubble’s Wide Field Camera 3, highlighting emission from hydrogen, sulfur, and oxygen atoms. The image shows just a small fraction of the Veil Nebula; if you could see the entire nebula without the aid of a telescope, it would be as wide as six full Moons placed side-by-side.
Although this image captures the Veil Nebula at a single point in time, it helps researchers understand how the supernova remnant evolves over decades. Combining this snapshot with Hubble observations from 1994 will reveal the motion of individual knots and filaments of gas over that span of time, enhancing our understanding of this stunning nebula.
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An Ocean in Motion: NASA’s Mesmerizing View of Earth’s Underwater Highways
Earth (ESD) Earth Explore Explore Earth Science Climate Change Science in Action Multimedia Image Collections Videos Data For Researchers About Us This data visualization showing ocean currents around the world uses data from NASA’s ECCO model, or Estimating the Circulation and Climate of the Ocean. The model pulls data from spacecraft, buoys, and other measurements.
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Last Updated Mar 03, 2025 Editor Earth Science Division Editorial Team Related Terms
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