(Phys.org) —The first stars in the Universe are believed to have formed only a few hundred million years after the big bang, about 13.7 billion years ago. They heated and ionized the pristine intergalactic medium, and their ...
Astronomy
Nov 18, 2013
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Astronomers examining the nearby universe with the help of the Atacama Large Millimeter/submillimeter Array (ALMA) have just completed the largest high-resolution survey of star-forming fuel ever conducted in galaxy clusters. ...
Astronomy
Nov 2, 2021
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Generative AI techniques, machine learning, and simulations give researchers new opportunities to identify environmentally friendly metal-organic framework materials.
Analytical Chemistry
Feb 14, 2024
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(Phys.org) —A CSIRO radio telescope has detected the raw material for making the first stars in galaxies that formed when the Universe was just three billion years old—less than a quarter of its current age. This opens ...
Astronomy
Jun 24, 2013
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Stars form from the gas and dust in molecular clouds via a series of complex processes that are currently only partly understood, and the evolution of these clouds drives the evolution of the stellar populations in the universe. ...
Astronomy
Apr 1, 2019
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260
The interface between gases and liquids is found throughout nature. It is also important to many industrial processes. To improve understanding of the gas-liquid interface, researchers have developed an apparatus to study ...
Nanophysics
Jul 26, 2022
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589
Our solar system began as a cloud of gas and dust. Over time, gravity slowly pulled these bits together into the Sun and planets we recognize today. While not every system is friendly to life, astronomers want to piece together ...
Astronomy
Jul 25, 2016
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Observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have for the first time directly mapped out the molecular gas and dust in the host galaxies of gamma-ray bursts (GRBs)—the biggest explosions in ...
Astronomy
Jun 11, 2014
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Astronomers created a stunning new image showing celestial fireworks in star cluster G286.21+0.17.
Astronomy
Jul 2, 2020
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332
A new star is formed by gravitational contraction of an interstellar molecular cloud consisting of gas and dust. In the course of this process, a gas disk (protoplanetary disk), whose size is on the order of 100 AU, forms ...
Astronomy
Feb 13, 2014
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