Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel—becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was shed, enriched in carbon, ...
Astronomy
Jan 12, 2023
0
63
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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80
New data from the James Webb Space Telescope (JWST) have revealed that the structures of galaxies in the early universe were much more diverse and mature than previously known. Scientists recently compared images of hundreds ...
Astronomy
Jan 9, 2023
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236
In a new study, a team of astronomers led by Haojing Yan at the University of Missouri used data from NASA's James Webb Space Telescope (JWST) Early Release Observations and discovered 87 galaxies that could be the earliest ...
Astronomy
Jan 9, 2023
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192
New images from NASA's James Webb Space Telescope (JWST) reveal for the first time galaxies with stellar bars—elongated features of stars stretching from the centers of galaxies into their outer disks—at a time when the ...
Astronomy
Jan 5, 2023
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1040
In giant clusters of hundreds or thousands of galaxies, innumerable stars wander among the galaxies like lost souls, emitting a ghostly haze of light. These stars are not gravitationally tied to any one galaxy in a cluster.
Astronomy
Jan 4, 2023
2
552
It is no exaggeration to say the James Webb Space Telescope (JWST) represents a new era for modern astronomy.
Astronomy
Dec 23, 2022
1
866
Scientists taking a "deep dive" into one of Webb's iconic first images have discovered dozens of energetic jets and outflows from young stars previously hidden by dust clouds. The discovery marks the beginning of a new era ...
Astronomy
Dec 15, 2022
0
100
Using the Southern African Large Telescope (SALT) and the Hubble Space Telescope (HST), an international team of astronomers have observed the dwarf galaxy HIPASS J1131–31, dubbed the "Peekabo Galaxy." The observational ...
Using ESO's Very Large Telescope (VLT) and the Hubble Space Telescope (HST), astronomers have inspected the globular cluster NGC 2808. Results of the study, published December 2 on the arXiv pre-print repository, shed more ...
