Tag #Astrophysics

Showing 61 to 72 of 77 results

cnn.com
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KM3NeT Detects Highest-Energy Cosmic Neutrino

On February 13, 2023, the KM3NeT underwater neutrino telescope detected a record-breaking 220 million billion electron volt neutrino near the Sicilian coast, 30 times more energetic than any previously detected, potentially originating from a supermassive black hole or gamma-ray burst beyond the Mil...

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nrc.nl
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Highest-Energy Neutrino Detected, Opening New Window into Cosmic Phenomena

On February 13th, 2023, the KM3NeT neutrino detector in the Mediterranean Sea detected a 220 peta-electronvolt neutrino, the highest energy ever recorded, likely originating from a supermassive black hole or cosmic background radiation interaction, showcasing the potential of neutrino astronomy.

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dw.com
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Super-Earth Confirmed in Habitable Zone of Nearby Star

Researchers confirmed a super-Earth, HD 20794 d, six times Earth's mass, orbiting a Sun-like star 20 light-years away within its habitable zone, confirmed via data from the ESO's La Silla Observatory and further analysis by the IAC and ULL.

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dw.com
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Faster-Than-Predicted Universe Expansion Deepens 'Hubble Crisis'

Recent measurements show the universe is expanding faster than predicted by current models, creating a 'Hubble crisis' due to conflicting results from direct observations and cosmic microwave background analysis; a new study of the Coma galaxy cluster intensifies this discrepancy.

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pda.kp.ru
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Universe's Expansion Rate Challenges Existing Cosmological Models

New measurements using advanced telescopes, including the James Webb Space Telescope, reveal the universe's expansion rate is much faster than predicted by current theories, implying the existence of an unknown force driving this acceleration and challenging our understanding of fundamental physics.

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dw.com
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Unprecedented Plasma Jets Ejected from Supermassive Black Hole 1ES 1927+654

An international team observed unusual X-ray fluctuations and plasma jets ejected from the supermassive black hole 1ES 1927+654 in the Draco constellation, 270 million light-years away, following a 2018 outburst; a low-mass white dwarf star is the most plausible explanation.

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repubblica.it
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Record-Breaking Neutrino Detected, Hints at Powerful Cosmic Origins

KM3NeT, a deep-sea neutrino telescope off Sicily, detected a record-breaking 220 petaelectronvolt neutrino on February 13, 2023, suggesting origins in powerful cosmic events beyond our galaxy, with possibilities ranging from black hole activity to interactions with cosmic microwave background radiat...

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mk.ru
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SN 2014C's Unexpected Transition and U-Shaped Circumstellar Material

An international team's study of supernova SN 2014C, located 40–45 million light-years away in the NGC 7331 galaxy, revealed its unexpected transition from type Ib to type IIn supernova, caused by the progenitor star shedding its hydrogen layer before exploding, leaving a U-shaped circumstellar mate...

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elmundo.es
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Super-Earth Discovered in Habitable Zone of Nearby Star

Researchers at the IAC and ULL confirmed the discovery of HD 20794 d, a super-Earth six times Earth's mass orbiting a Sun-like star 20 light-years away within its habitable zone, using data from the ESPRESSO and HARPS spectrographs over 20 years, opening possibilities for future atmospheric studies.

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Life on Land
dailymail.co.uk
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Space 'Chirps' Detected at Record Distance

NASA's Magnetospheric Multiscale satellites detected chorus waves, a type of plasma burst sounding like birds chirping, at a record distance of 62,000 miles from Earth, raising questions about their formation and propagation.

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elpais.com
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Big Bang vs. Black Hole: Similarities, Differences, and Unanswered Questions

The Big Bang theory, supported by observations of expanding galaxies, describes the universe's evolution from an initial singularity; while this resembles a black hole, key differences exist, and the origins of the singularity remain unknown.

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dailymail.co.uk
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Origin of Fast Radio Burst Pinpointed Near Rotating Neutron Star

MIT scientists traced the origin of the fast radio burst FRB 20221022A, detected in 2022, to a region just 10,000 kilometers wide near a rotating neutron star 200 million light-years away, using scintillation analysis and resolving a long-standing astronomical puzzle.

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Showing 61 to 72 of 77 results