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Hubble Captures Stellar Nurseries in a Majestic Spiral 
This NASA/ESA Hubble Space Telescope image features the spiral galaxy IC 1954. ESA/Hubble & NASA, D. Thilker, J. Lee and the PHANGS-HST Team This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. It sports a glowing bar in its core, majestically winding spiral arms, and clouds of dark dust across it. Numerous glowing, pink spots across the disc of the galaxy are H-alpha regions that offer astronomers a view of star-forming nebulae, which are prominent emitters of red, H-alpha light. Some astronomers theorize that the galaxy’s ‘bar’ is actually an energetic star-forming region that just happens to lie over the galactic center.
The data featured in this image come from a program that extends the cooperation among multiple observatories: Hubble, the infrared James Webb Space Telescope, and the Atacama Large Millimeter/submillimeter Array, a ground-based radio telescope. By surveying IC 1954 and over 50 other nearby galaxies in radio, infrared, optical, and ultraviolet light, astronomers aim to fully trace and reconstruct the path matter takes through stars, mapping the interstellar gas and dust in each galaxy. Hubble’s observing capabilities form an important part of this survey: it can capture younger stars and star clusters when they are brightest at ultraviolet and optical wavelengths, and its H-alpha filter effectively tracks emission from nebulae. The resulting dataset will form a treasure trove of research on the evolution of stars in galaxies, which Webb can build upon as it continues its science operations into the future.
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Claire Andreoli
NASA’s Goddard Space Flight Center, Greenbelt, MD
claire.andreoli@nasa.gov
Details Last Updated Sep 27, 2024 Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center Related Terms Astrophysics Astrophysics Division Galaxies Hubble Space Telescope Spiral Galaxies Stars
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