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Astrophysics

Data from the Gemini North Telescope provide a possible explanation for the halting of the merger of a pair of supermassive black holes at the center of a galaxy
Argon is part of a multi-institutional effort to survey the skies for clues about the origins and nature of our universe.
An amount of water at least three times greater than the water in all the Earth's oceans was discovered in the inner disk of the young Sun-like star HL Tauri, 450 light-years away from Earth, in the Taurus group
The material being pulled toward this disk-shaped black hole emits so much energy that J0529-4351 is more than 500 trillion times brighter than the Sun
The discovery of an S-shaped galaxy could revolutionize the understanding of the process of star formation
The European Space Agency gets the green light for the first space observatory of its kind, dedicated to revealing space-time vibrations.
A newly discovered solar system with six confirmed extrasolar planets and a possible seventh increases astronomers' knowledge of star formation and evolution
Researchers measure the speed and mass of dark matter by studying warped galaxies affected by dynamic friction caused by dark matter
These are relatively close galaxies that face the Earth. The research reveals new details about the way galaxies are formed
NGC 4753 was discovered in 1784 by astronomer William Herschel and has some fascinating features. In this image, the complex dust lanes of the galaxy are a spectacular sight. NGC 4753 is about 60 million light-years away in the constellation Virgo
Motions of satellite galaxies around groups and clusters of giant galaxies could provide valuable insights into their evolution. The observations of such motion provide crucial clues about the age of the universe
Intermediate-mass black holes (IMBHs) are a cosmic enigma, their very existence and mechanisms of formation shrouded in mystery
The first galaxies were much less developed than the spiral and spherical galaxies that exist today, which are actually the result of mergers, both because of the stage of development but also because of the conditions that prevailed at the time
Beta Pictoris is a solar system in the making and relatively close so that the gas disks can be seen. It turns out that Webb was able to discover a structure that was not noticed in photographs with less sensitive instruments, thus he discovered a disk of gas tilted from our main disk and because of our vantage point it looks like a cat's tail
"Astronomers discover that the fastest radio burst ever observed came not from a single galaxy, but from a group of merging galaxies"
Among the observations of about two million distant galaxies, the researchers found several thousand supernovae, and this is the largest and deepest sample of supernovae ever obtained with a single telescope. The scientists then used advanced machine learning techniques to help classify the supernovae
The two-dimensional reflection of the galaxies in the night sky does not say much about the real distances between the galaxies and between them and the Earth
An international team of astronomers compiled and reprocessed observations of the extrasolar planet WASP‑121 b collected by the Hubble Space Telescope in 2016, 2018 and 2019 and noticed weather patterns on its surface. It is a hot Jupiter-type planet - that is, on the order of Jupiter but very close to its sun
A new theoretical analysis puts the probability that massive neutron stars harbor non-configurational quark nuclei between 80 and 90 percent. The result was achieved through massive computer runs using Bayesian statistical inference.
Astrophysicists have discovered why spiral galaxies like our Milky Way are rare in the supergalactic plane, a dense region of our local universe
Jupiter, the largest planet by far in our solar system, plays an important protective role. Its enormous gravitational field deflects comets and asteroids that might otherwise hit Earth, helping to create a stable environment for life to exist. But giant planets elsewhere in the universe don't necessarily protect life in their smaller, rocky neighbors.
The "mourning tension" in cosmology has recently raised questions about the standard cosmological model
Two of these galaxies close to each other are a rare type of emission line galaxies, because they are undergoing a massive process of new star birth. The others are at different distances but line up nicely in this Hubble shot
The team identified 1,519 candidate signals that could not be attributed to radio frequency interference. After algorithmic processing, matching the signal properties with known disturbances, and extensive visual inspection, no convincing evidence of technological signatures was found.
Astronomers have deciphered the strange behavior of the pulsar J1023+0038. This pulsar, which rapidly transitions between two brightness states, emits material in sudden bursts that cause these transitions. Thanks to this breakthrough, which included extensive observations and analyses, we better understand the dynamics of pulsars.
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