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Browsing Tag

galaxies

39 posts
SSpace
This release features a composite image of a galaxy cluster first discovered on New Year's Eve day, 2020. The cluster appears here as a large collection of brilliant white lights, each a distinct galaxy. A neon purple cloud stretches across the cluster's crowded core. Many of the hundred-plus galaxies in the cluster are in two clumps of galaxies towards the top and bottom of center. Some are encircled by a faint glowing haze, while a few foreground stars gleam with diffraction spikes. Some of the smaller galaxies are tinted blue, orange, or red, and some appear more oblong than round, suggesting spiral shapes viewed edge-on. The neon purple cloud sits at the heart of the image, surrounding the most densely-packed part of the cluster. This cloud, which spreads vertically across the cluster, is multimillion-degree gas observed by Chandra. The two clumps of observable galaxies, and the spread of superheated gas, reveal that the Champagne Cluster is in fact two clusters in the process of colliding. With the two clusters of sparkling light clinking together, and the auspicious discovery date, astronomers have dubbed the merged cosmic structure "The Champagne Cluster".
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NASA’s Chandra Rings in New Year With Champagne Cluster

  • December 31, 2025
Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s…
SScience
Brighter Side of News
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Alaknanda: Ancient spiral galaxy challenges existing knowledge of cosmic evolution

  • December 25, 2025
Early in the story of the universe, long before galaxies like the Milky Way were expected to take…
SScience
Today in History, December 25: James Webb Space Telescope is the Christmas gift that keeps on giving
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Today in History, December 25: James Webb Space Telescope is the Christmas gift that keeps on giving

  • December 24, 2025
The best kind of Christmas present is one that keeps on giving. Launched four years ago today, the…
SScience
Brighter Side of News
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Astronomers reveal how the Milky Way’s violent youth forged a calmer spiral giant

  • December 23, 2025
Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night…
SScience
NASA’s SPHEREx Observatory Completes First Cosmic Map Like No Other
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NASA’s SPHEREx Observatory Completes First Cosmic Map Like No Other

  • December 18, 2025
This panoramic view of SPHEREx’s first all-sky map simulates how the sky looks to the telescope. It transitions…
SScience
Chandra & IXPE composite image of the Perseus Cluster.
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NASA IXPE’s Longest Observation Solves Black Hole Jets Mystery

  • December 16, 2025
Written by Michael Allen An international team of astronomers using NASA’s IXPE (Imaging X-ray Polarimetry Explorer) has identified…
SSpace
A pale blue dwarf galaxy on the black backdrop of space with some faraway galaxies. The galaxy itself resembles a fuzzy cloud of tightly packed stars, with a broad halo of stars dispersed around it. Spread across the galaxy’s core are several small, glowing patches of gas where there is a concentration of very hot stars.
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Massive Stars Make Their Mark in Hubble Image

  • December 12, 2025
This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The…
PPhysics
A Gigantic Spinning Filament of 14 Galaxies Could Be the Largest Rotating Structure Ever Found
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A Gigantic Spinning Filament of 14 Galaxies Could Be the Largest Rotating Structure Ever Found

  • December 6, 2025
This spinning branch of the cosmic web binds 14 galaxies together. Credit: Lyla Jung. In a recently published…
SScience
Brighter Side of News
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At 50 million-light-years long, scientists discover one of the universe’s largest structures

  • December 6, 2025
Look up on a dark night and the stars seem scattered at random. Step back in scale, though,…
SSpace
A galaxy seen face-on, with a slightly elliptical disk that appears to have a hole in the center like a doughnut. In the hole, the core is a brightly glowing point that shines light out beyond the edge of the disk. Around the hole is an inner ring of dust, and at the galaxy’s edge is a thicker outer ring of dust, with a swirling web of dust strands in between. Blue stars and red nebulae are visible behind the dust.
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Hubble Captures Puzzling Galaxy – NASA

  • November 21, 2025
This NASA/ESA Hubble Space Telescope image features a galaxy that’s hard to categorize. The galaxy in question is NGC 2775,…
SSpace
A close-in view of a spiral galaxy that faces the viewer. Brightly lit spiral arms swing outward through the galaxy’s disk, starting from an elliptical region in its center. Thick strands of dark reddish dust spread across the disk, primarily along the spiral arms. The arms also contain many glowing, pink-red spots where stars form and clumps of bright-blue star clusters. Beyond its spiral arms, the galaxy is a bit fainter and speckled with blue stars.
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Hubble Seeks Clusters in ‘Lost Galaxy’

  • November 21, 2025
Today’s NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million…
SSpace
These 3 comets will soon be visible in the sky, and here's how to observe them
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These 3 comets will soon be visible in the sky, and here’s how to observe them

  • November 16, 2025
Every year, numerous cosmic events can be observed from Earth, sometimes offering breathtaking spectacles, such as C/2020 F3…
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