Old and new stars paint very different pictures of the Triangulum Galaxy
Astronomers have been gazing at the Triangulum galaxy for centuries. But they've never seen it quite like this.
Astronomers have been gazing at the Triangulum galaxy for centuries. But they've never seen it quite like this.
Astronomy
Jan 11, 2023
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Webb's picture of the month for December is dominated by NGC 7469, a luminous, face-on spiral galaxy approximately 90,000 light-years in diameter that lies roughly 220 million light-years from Earth in the constellation Pegasus.
Astronomy
Dec 21, 2022
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Researchers may have answered a decades-old question about galaxy evolution, leveraging the power of artificial intelligence (AI) to accelerate their research.
Astronomy
Dec 16, 2022
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All stars are composed of mostly hydrogen and helium, but most stars also have measurable amounts of heavier elements, which astronomers lump into the category of "metals." Our sun has more metals than most stars because ...
Astronomy
Nov 8, 2022
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This image from the NASA/ESA Hubble Space Telescope shows two of the galaxies in the galactic triplet Arp 248—also known as Wild's Triplet—which lies around 200 million light-years from Earth in the constellation Virgo.
Astronomy
Nov 7, 2022
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Astronomers using the National Science Foundation's Karl G. Jansky Very Large Array (VLA) have discovered an important new clue about how galaxies put the brakes on vigorous episodes of star formation. Their new study of ...
Astronomy
Oct 25, 2022
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This article highlights data from Webb science in progress, which has not yet been through the peer-review process. Here, Webb interdisciplinary scientist Rogier Windhorst and his team discuss their observations.
Astronomy
Oct 5, 2022
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From high atop a mountain in the Chilean Andes, the Dark Energy Camera has snapped more than one million exposures of the southern sky. The images have captured around 2.5 billion astronomical objects, including galaxies ...
Astronomy
Oct 4, 2022
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The NASA/ESA Hubble Space Telescope's Wide Field Camera 3 imaged this lonely spiral galaxy called UGC 9391.
Astronomy
Oct 3, 2022
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These spectacular images feature the spiral galaxy IC 5332, taken by the NASA/ESA Hubble Space Telescope (above) and the NASA/ESA/CSA James Webb Space Telescope (below). The images display the powerful capabilities that both ...
Astronomy
Sep 27, 2022
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