| Autor |
Kommentar |
Michaelcrade   |
| Eintrag 621613 vom 27.04.2025, 01:44 |
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| A job for the Webb space telescope
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We got 53 candidates for anomalies that cannot be well explained, but cant say that all of them are Dyson sphere candidates, because thats not what we are specifically looking for, said Gabriella Contardo, a postdoctoral research fellow at the International School for Advanced Studies in Trieste, Italy, who led the earlier study. She added that she plans to check the candidates against Suazos model to see how many tie into it.
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You need to eliminate all other hypotheses and explanations before saying that they could be a Dyson sphere, she added. To do so you need to also rule out that its not some kind of debris disk, or some kind of planetary collision, and that also pushes the science forward in other fields of astronomy so its a win-win.
Both Contardo and Suazo agree that more research is needed on the data, and that ultimately they could turn to NASAs James Webb Space Telescope for more information, as it is powerful enough to observe the candidate stars directly. However, because of the lengthy, competitive procedures that regulate use of the telescope, securing access might take some time.
If Dyson spheres really exist, what could they be used for? If you picture ourselves having as much energy as the sun is providing every second |
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| DavidDalse |
| Eintrag 621612 vom 27.04.2025, 01:07 |
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| A job for the Webb space telescope
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We got 53 candidates for anomalies that cannot be well explained, but cant say that all of them are Dyson sphere candidates, because thats not what we are specifically looking for, said Gabriella Contardo, a postdoctoral research fellow at the International School for Advanced Studies in Trieste, Italy, who led the earlier study. She added that she plans to check the candidates against Suazos model to see how many tie into it.
https://kra31att.cc
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You need to eliminate all other hypotheses and explanations before saying that they could be a Dyson sphere, she added. To do so you need to also rule out that its not some kind of debris disk, or some kind of planetary collision, and that also pushes the science forward in other fields of astronomy so its a win-win.
Both Contardo and Suazo agree that more research is needed on the data, and that ultimately they could turn to NASAs James Webb Space Telescope for more information, as it is powerful enough to observe the candidate stars directly. However, because of the lengthy, competitive procedures that regulate use of the telescope, securing access might take some time.
If Dyson spheres really exist, what could they be used for? If you picture ourselves having as much energy as the sun is providing every second, |
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| TommieAlask |
| Eintrag 621611 vom 26.04.2025, 18:00 |
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| Dyson spheres were theorized as a way to detect alien life. Scientists say theyve found potential evidence
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What would be the ultimate solution to the energy problems of an advanced civilization? Renowned British American physicist Freeman Dyson theorized it would be a shell made up of mirrors or solar panels that completely surrounds a star harnessing all the energy it produces.
One should expect that, within a few thousand years of its entering the stage of industrial development, any intelligent species should be found occupying an artificial biosphere which completely surrounds its parent star, wrote Dyson in a 1960 paper in which he first explained the concept
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If it sounds like science fiction, thats because it is: Dyson took the idea from Olaf Stapledons 1937 novel Star Maker, and he was always open about that. The late scientist was a professor emeritus at the Institute of Advanced Study in Princeton, New Jersey.
Still, coming from a thinker who some in the scientific community say might have been worthy of a Nobel Prize early in his career, the concept took hold and the hypothetical megastructures became known as Dyson spheres, even though the physicist later clarified that they would actually consist of a loose collection or swarm of objects traveling on independent orb |
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| TimothyCam |
| Eintrag 621610 vom 26.04.2025, 13:51 |
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| Why axolotls seem to be everywhere — except in the one lake they call home
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Scientist Dr. Randal Voss gets the occasional reminder that he’s working with a kind of superstar. When he does outreach events with his laboratory, he encounters people who are keen to meet his research subjects: aquatic salamanders called axolotls.
The amphibians’ fans tell Voss that they know the animals from the internet, or from caricatures or stuffed animals, exclaiming, “‘They’re so adorable, we love them,’” said Voss, a professor of neuroscience at the University of Kentucky College of Medicine. “People are drawn to them.”
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Take one look at an axolotl, and it’s easy to see why it’s so popular. With their wide eyes, upturned mouths and pastel pink coloring, axolotls look cheerful and vaguely Muppet-like.
They’ve skyrocketed in pop culture fame, in part thanks to the addition of axolotls to the video game Minecraft in 2021. These unusual salamanders are now found everywhere from Girl Scout patches to hot water bottles. But there’s more to axolotls than meets the eye: Their story is one of scientific discovery, exploitation of the natural world, and the work to rebuild humans’ connection with nature.
A scientific mystery
Axolotl is a word from Nahuatl, the Indigenous Mexican language spoken by the Azte |
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| MichaelOmins |
| Eintrag 621609 vom 26.04.2025, 12:25 |
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| Broken spheres
Dyson died in 2020 before any of his spheres could be found although they are just one of a dozen ideas that bear his name.
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As a young scientist, Dyson showed that three competing quantum theories were actually the same theory he summarily ended the competition, said William Press, the Leslie Surginer Professor of Computer Science and Integrative Biology at the University of Texas at Austin. He was not involved in the study. Later, he applied his genius to areas of astronomy, cosmology, the extraterrestrial realm, and also the very real problem of nuclear proliferation here on planet Earth. At the time of his death, he was recognized as a provocative and creative thinker.
George Dyson also attested to his fathers fascination and comprehensive reach across disciplines.
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Taking advantage of a short attention span and an aversion to bureaucracy, he contributed to five fields of mathematics and eleven fields of physics, as well as to theoretical biology, engineering, operations research, literature, and public affairs, the younger Dyson said. Many of his ideas were controversial, with one of his guiding principles being that It is better to be wrong than to be vague.
The approach of the researchers behind the new study could offer a more fruitful path in the searc |
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| Williamuphof |
| Eintrag 621608 vom 26.04.2025, 07:21 |
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| Dyson spheres were theorized as a way to detect alien life. Scientists say theyve found potential evidence
kra30cc
What would be the ultimate solution to the energy problems of an advanced civilization? Renowned British American physicist Freeman Dyson theorized it would be a shell made up of mirrors or solar panels that completely surrounds a star harnessing all the energy it produces.
One should expect that, within a few thousand years of its entering the stage of industrial development, any intelligent species should be found occupying an artificial biosphere which completely surrounds its parent star, wrote Dyson in a 1960 paper in which he first explained the concept
https://kra31s.cc
kraken
If it sounds like science fiction, thats because it is: Dyson took the idea from Olaf Stapledons 1937 novel Star Maker, and he was always open about that. The late scientist was a professor emeritus at the Institute of Advanced Study in Princeton, New Jersey.
Still, coming from a thinker who some in the scientific community say might have been worthy of a Nobel Prize early in his career, the concept took hold and the hypothetical megastructures became known as Dyson spheres, even though the physicist later clarified that they would actually consist of a loose collection or swarm of objects traveling on independent orbits a |
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| Henrybluew |
| Eintrag 621607 vom 26.04.2025, 07:08 |
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| Axolotl problems
As Mexico City grew and became more industrialized, the need for water brought pumps and pipes to the lake, and eventually, “it was like a bad, smelly pond with rotten water,” Zambrano said. “All of our aquatic animals suffer with bad water quality, but amphibians suffer more because they have to breathe with the skin.”
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To add to the axolotls’ problems, invasive fish species such as carp and tilapia were introduced to the lake, where they feed on axolotl eggs. And a 1985 earthquake in Mexico City displaced thousands of people, who found new homes in the area around the lake, further contributing to the destruction of the axolotls’ habitat.
These combined threats have devastated axolotl populations. According to the International Union for Conservation of Nature, there are fewer than 100 adult axolotls left in the wild. The species is considered critically endangered.
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While the wild axolotls of Lake Xochimilco have dwindled to near-extinction, countless axolotls have been bred for scientific laboratories and the pet trade. “The axolotl essentially helped establish the field of experimental zoology,” Voss said.
In 1864, a French army officer brought live axolotls back to Europe, where scientists were surprised to learn that the seemingly juvenile aqua |
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| Prokarniz |
| Eintrag 621606 vom 26.04.2025, 03:25 |
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| +7 (499) 638-25-37 |
| Eintrag 621605 vom 26.04.2025, 02:46 |
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| AlbertFok |
| Eintrag 621604 vom 26.04.2025, 01:49 |
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| Why axolotls seem to be everywhere except in the one lake they call home
kraken
Scientist Dr. Randal Voss gets the occasional reminder that hes working with a kind of superstar. When he does outreach events with his laboratory, he encounters people who are keen to meet his research subjects: aquatic salamanders called axolotls.
The amphibians fans tell Voss that they know the animals from the internet, or from caricatures or stuffed animals, exclaiming, Theyre so adorable, we love them, said Voss, a professor of neuroscience at the University of Kentucky College of Medicine. People are drawn to them.
https://kra31f.cc
Take one look at an axolotl, and its easy to see why its so popular. With their wide eyes, upturned mouths and pastel pink coloring, axolotls look cheerful and vaguely Muppet-like.
Theyve skyrocketed in pop culture fame, in part thanks to the addition of axolotls to the video game Minecraft in 2021. These unusual salamanders are now found everywhere from Girl Scout patches to hot water bottles. But theres more to axolotls than meets the eye: Their story is one of scientific discovery, exploitation of the natural world, and the work to rebuild humans connection with nature.
A scientific mystery
Axolotl is a word from Nahuatl, the Indigenous Mexican language spoken by the Aztecs |
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