Using the James Webb Space Telescope (JWST), an international team of astronomers has detected a new grand-design spiral galaxy as part of the PANORAMIC survey. The newfound galaxy, named Zhúlóng, is extremely massive and appears to be the most distant spiral galaxy identified so far. The finding was detailed in a paper published December 17 on the pre-print server arXiv.
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Venus is moving toward a dramatic finale in early 2025, when it will dazzle as the “evening star” after sunset. Here’s when to catch it at its brilliant best.
Scientists use cutting-edge techniques to study rare atomic systems called hypernuclei shedding light on subatomic forces and neutron stars.
Scientists have made an important discovery in the world of particle physics by exploring hypernuclei — rare, short-lived atomic systems that include mysterious particles known as hyperons. Unlike protons and neutrons composed of “up” and “down” quarks, which make up the nuclei of ordinary atoms, hyperons contain at least one “strange” quark. These unusual particles could help unravel mysteries not only about the interactions between subatomic particles but also about the extreme conditions inside neutron stars.
“It is extremely important to understand what happens when a nucleus becomes a hypernucleus, which means when one nucleon is replaced by a hyperon,” Jean-Marc Richard, a professor at the University of Lyon, who was not involved in the study, said in an email.
Racing closer to the Sun than ever before, the Parker Solar Probe is unlocking the secrets of our solar system’s fiery heart.
NASAs Parker Solar Probe has successfully transmitted a beacon signal back to Earth, confirming it is in good health and functioning normally after its record-breaking close approach to the Sun.
The mission operations team at Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, received the signal just before midnight EST on December 26. During its closest approach on December 24, the spacecraft traveled at an astonishing 430,000 miles per hour and came within 3.8 million miles of the Sun’s surface, making it the closest any human-made object has ever been to our star.
Indian astronomers have performed a multiwavelength study of a gamma-ray emitting compact symmetric object known as DA 362. Results of the study, presented in a research paper published December 17 on the pre-print server arXiv, yield more insights into the nature of this enigmatic object.
Compact symmetric objects (CSOs) are young jetted active galactic nuclei (AGN) with an overall projected size below 3,300 light years. Although CSOs are still not well investigated, observations found that they showcase symmetric radio morphologies and are likely to be in the early stages of their evolution with kinematic ages smaller than a few thousand years. To date, only four CSOs have been found to emit gamma-rays.
The newest gamma-ray emitting CSO is DA 362, also known as B2 1413+34. It was initially classified as a blazar candidate of uncertain type, associated with a gamma-ray source designated 4FGL J1416.0+3443.
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Discover how probing the components of the half-asteroid, half-comet hybrids reveals that carbon dioxide was present during the solar system’s formation.
A groundbreaking discovery by an international team of astronomers has revealed a completely new class of cosmic X-ray sources.
Led by researchers from the Astronomical Observatory of the University of Warsaw, this finding, published in Astrophysical Journal Letters, is shedding light on mysterious celestial phenomena.
Cosmic X-ray Phenomena
Our radio signals have only traveled 200 light-years—just a tiny fraction of the galaxy.
