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Astronomy news
The sun unleashes its strongest flare this cycle
Yesterday the sun released a huge solar flare, and it's heading toward Earth. It's nothing to worry about since it's nowhere near as large as the Carrington Event of 1859, but it is large enough to give us some amazing aurora.
Astronomy
2 hours ago
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Gravitational lens confirms the Hubble tension
We've known the universe is expanding for a long time. The first solid paper demonstrating cosmic expansion was published by Edwin Hubble in 1929, based on observations made by Vesto Slipher, Milton Humason, and Henrietta ...
Astronomy
3 hours ago
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The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?
The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include discovering the earliest ...
Astronomy
4 hours ago
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Hubble observes a peculiar galaxy shape
This NASA/ESA Hubble Space Telescope image reveals the galaxy, NGC 4694. Most galaxies fall into one of two basic types. Spiral galaxies are young and energetic, filled with the gas needed to form new stars and sporting spiral ...
Astronomy
5 hours ago
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Traces of antimatter in cosmic rays reopen the search for 'WIMPs' as dark matter
One of the great challenges of modern cosmology is to reveal the nature of dark matter. We know it exists (it constitutes more than 85% of the matter in the universe), but we have never seen it directly and still do not know ...
Astronomy
16 hours ago
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There were more black holes in the early universe than we thought, research finds
Supermassive black holes are some of the most impressive (and scary) objects in the universe—with masses around 1 billion times more than that of the sun. And we know they've been around for a long time.
Astronomy
Oct 3, 2024
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Webb telescope detects unusual gas jets from Centaur 29P
Inspired by the half-human, half-horse creatures that are part of Ancient Greek mythology, the field of astronomy has its own kind of centaurs: distant objects orbiting the sun between Jupiter and Neptune. NASA's James Webb ...
Astronomy
Oct 2, 2024
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Q&A: Researchers examine link between light pollution and interest in astronomy
Picture walking outside on a dark, cloudless evening. You look up to admire the stars—maybe even a planet, if you're lucky—and a sense of wonder washes over you. New research from the University of Washington shows this ...
Astronomy
Oct 2, 2024
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Influence of a black hole's spin: First evidence of precession in ultraluminous accretion disks
Gas swirls around a black hole due to its intense gravity, forming an accretion disk. These accretion disks, being among the most efficient energy conversion mechanisms in the universe, emit light and plasma jets. When a ...
Astronomy
Oct 2, 2024
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Webb researchers discover lensed supernova, confirm Hubble tension
Measuring the Hubble constant, the rate at which the universe is expanding, is an active area of research among astronomers around the world who analyze data from both ground- and space- based observatories. NASA's James ...
Astronomy
Oct 1, 2024
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Hubble captures stellar nurseries in majestic spiral galaxy IC 1954
This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. It sports a glowing bar in its core, majestically winding ...
Astronomy
Sep 30, 2024
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New mission to create total solar eclipses in space
A UK team of researchers including UCL's Professor Lucie Green are working on the launch of a spacecraft mission that will allow us to view the sun's atmosphere in more detail than ever before.
Astronomy
Sep 30, 2024
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Comet A3: How and when to see Tsuchinshan-ATLAS
Stargazers will have the chance to spot what could be the most impressive comet of the year over the coming weeks.
Astronomy
Sep 30, 2024
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Webb detects fast outflow in the host galaxy of a luminous quasar
An international team of astronomers has employed the James Webb Space Telescope (JWST) to perform spectroscopic observations of a luminous quasar known as J1007+2115. They detected a fast outflow originating from the quasar's ...
Observations explore the nature of transitional millisecond pulsar PSR J1023+0038
Using the Gran Telescopio Canarias (GTC), astronomers from Italy and Spain have carried out high-temporal-resolution optical spectroscopic observations of a transitional millisecond pulsar designated PSR J1023+0038. Results ...
Precise locations of more than 1 million galaxies revealed
The Physics of the Accelerating Universe Survey (PAUS), an international collaboration across 14 institutions, has covered a sky area of 50 square degrees, similar to approximately 250 full moons.
Astronomy
Sep 28, 2024
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Advanced data shed light on gravitational basins of attraction that shape the movement of galaxies
A new study has mapped out the gravitational basins of attraction in the local universe, offering fresh insights into the large-scale cosmic structures that shape the movement of galaxies. The study has been published in ...
Astronomy
Sep 27, 2024
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Turbulent solar wind originates in the sun's corona, study shows
Solar wind is a never-ending stream of charged particles coming from the sun. Rather than a constant breeze, this wind is rather gusty. As solar wind particles travel through space, they interact with the sun's variable magnetic ...
Astronomy
Sep 26, 2024
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Dark matter could have slight interaction with regular matter, study suggests
The reason we call dark matter dark isn't that it's some shadowy material. It's because dark matter doesn't interact with light. The difference is subtle, but important. Regular matter can be dark because it absorbs light. ...
Astronomy
Sep 26, 2024
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Hubble finds that a black hole beam promotes stellar eruptions
In a surprise finding, astronomers using the NASA/ESA Hubble Space Telescope have discovered that the blowtorch-like jet from a supermassive black hole at the core of a huge galaxy seems to cause stars to erupt along its ...
Astronomy
Sep 26, 2024
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Other news
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Antarctic 'greening' at dramatic rate, satellite data show
ESA's Hera spacecraft set for asteroid 'crime scene investigation'
Innovative method targets removal of PFAS from wastewater
Solar flares may cause faint auroras across top of Northern Hemisphere
Electricity-driven catalyst offers climate-neutral methane production
Drier winter habitat impacts songbirds' ability to survive migration
Scientists uncover auditory 'sixth sense' in geckos
Climate lessons from the fall of a Pacific chiefdom
