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Astronomers have discovered a star being torn apart by a massive black hole more than 1,000 parsecs from the center of its host galaxy. The tidal disruption event, TDE 2023mfm, was first discovered by ZTF and then studied with a wide range of telescopes, including Keck, Lick, Hubble, Swift, Chandra, XMM-Newton and the VLA. The discovery paper was posted to the arXiv preprint server on Sept. 28.
Glimpses of the “gallium anomaly” were first seen in the mid-1990s, but it was first clearly discovered and stated in 2007 by neutrino physicist Carlo Giunti of Italy. The problem is simple to state but potentially very important: about 20% fewer electron neutrinos were seen to be captured by gallium nuclei than expected.
A 16-year-old shooter opened fire at an elementary school in Bend, Oregon, killing four and wounding two before he was killed by a community member who pursued him into the school, police said
NASA’s Artemis II mission sent four astronauts around the moon and brought them safely back to Earth, laying a foundation for crewed flights to the moon’s surface.
A new study of young tectonic landforms on the moon offers the most detailed estimate yet of how much the moon has contracted as its interior gradually cooled over time.
The size of a nucleus (nuclear charge radius) is an important physical quantity that reflects the arrangement of protons and neutrons within the nucleus. Particularly in deformed nuclei, such as those of rare-earth elements, examining changes in the charge radius can deepen our understanding of nuclear structure and nuclear deformation.
During a White House gathering, President Trump told Attorney General Todd Blanche to pursue capital punishment for those who kill police officers or firefighters
Silicon spin qubits are a promising platform for building scalable quantum computers as they are compatible with the semiconductor manufacturing technologies used to produce today’s computer chips. However, they have an important weakness: silicon spin qubits typically lose accuracy when several qubits are under parallel control. To be useful, quantum computers will need to operate many qubits simultaneously without compromising the accuracy of their operations.
The Hollister Police Officers Association stated it was told the city would “lay off every single civilian staff member of our department;” the city denied that claim, but did not describe the extent of the layoffs
The Earth got its moon when a small planet collided with our planet more than 4 billion years ago. This impact hurled molten rock into space, which eventually coalesced to form the satellite we can see every night from across our planet.
The suspect, who was paralyzed from a prior shootout with police, opened fire as the Atlantic City PD SWAT team breached the door, striking one officer in the leg and one on his helmet
Tulsa Police officers captured the suspect after he fled the scene on foot; the suspect and two officers were hospitalized following the crash
Amar’e Stoudemire played in the NBA for 14 years, finishing with a season playing for the Miami Heat; now, he’s back in Miami, serving with the school district police department
Thornton PD credited residents who reported sightings of the suspect and several partner agencies with facilitating the arrest; the wounded officer is expected to recover
Astronomers have used NASA’s Chandra X-ray Observatory to break down the cause of a remarkable formation of radio waves they have nicknamed the “Treble Clef” because its distinct shape strongly resembles the musical symbol.
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