With a fortuitous lineup of a massive cluster of galaxies, astronomers discovered a single star across most of the entire observable Universe. This is the farthest detection of a single star ever. The star may be up to 500 ...
Astronomy
Mar 30, 2022
85
318
It looks like fireflies flickering in the darkness. Slowly, more and more amass, lighting up the screen in large chunks and clusters.
Astronomy
Mar 24, 2022
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223
Scientists from Durham University and Kings College London have presented a theoretical review in a new study strongly supporting the search for axion dark matter.
General Physics
Feb 23, 2022
7
955
Phase transitions are everywhere, ranging from water boiling to snowflakes melting, and from magnetic transitions in solids to cosmological phase transitions in the early universe. Particularly intriguing are quantum phase ...
Optics & Photonics
Jan 20, 2022
0
243
Particles called neutrons are typically very content inside atoms. They stick around for billions of years and longer inside some of the atoms that make up matter in our universe. But when neutrons are free and floating alone ...
General Physics
Oct 12, 2021
301
2714
The feeding patterns of black holes offer insight into their size, researchers report. A new study revealed that the flickering in the brightness observed in actively feeding supermassive black holes is related to their mass.
Astronomy
Aug 12, 2021
190
2510
NASA's Hubble Space Telescope is "seeing double." Peering back 10 billion years into the universe's past, Hubble astronomers found a pair of quasars that are so close to each other they look like a single object in ground-based ...
Astronomy
Apr 6, 2021
11
8578
A new theoretical study has proposed a novel mechanism for the creation of supermassive black holes from dark matter. The international team find that rather than the conventional formation scenarios involving 'normal' matter, ...
Astronomy
Feb 24, 2021
142
3193
To come into being, galaxies need a steady diet of cold gases to undergo gravitational collapse. The larger the galaxy, the more cold gas it needs to coalesce and to grow.
Astronomy
Feb 24, 2021
14
1029
A team of astronomers led by the University of Arizona has observed a luminous quasar 13.03 billion light-years from Earth—the most distant quasar discovered to date. Dating back to 670 million years after the Big Bang, ...
Astronomy
Jan 12, 2021
8
5630
