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High-mass stars are formed not from dust disk but from debris

High-mass stars are formed not from dust disk but from debris Large stars are formed in a different way than smaller stars Image Credit: Email A Dutch-led team of astronomers has discovered that high-mass stars are formed differently from their smaller siblings. Whereas small stars are often surrounded by an orderly disk of dust and matter, the supply of matter to large stars is a chaotic mess. The researchers used the Atacama Large Millimeter/submillimeter Array (ALMA) telescope for their observations, and recently published their findings in the  Astrophysical Journal. It is well known how small, young stars are created. They accrete matter from a disk of gas and dust in a relatively orderly fashion.

ALMA helps answer questions about how massive stars form

ALMA helps answer questions about how massive stars form Shane McGlaun - Apr 28, 2021, 5:02am CDT Astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to answer a major question about stars. That question is, do stars that are much more massive than our sun form in the same way as smaller stars. Astronomers have observed still-forming stars similar in mass to the sun as they gain material from the surrounding clouds of dust and gas relatively quickly. The masses of incoming material form a disk orbiting the young star that feeds the star at a fast pace for it to digest.

The most intimate portrait yet of a black hole

The most intimate portrait yet of a black hole An image provided by ALMA (ESO/NAOJ/NRAO), Goddi et al., shows part of the jet in Messier 87, 6,000 light-years long, shown in polarized light. Two years of analyzing the polarized light from a galaxy’s giant black hole has given scientists a glimpse at how quasars might arise. ALMA (ESO/NAOJ/NRAO), Goddi et al., via The New York Times. by Dennis Overbye (NYT NEWS SERVICE) .- The Event Horizon Telescope collaboration, an international team of radio astronomers that has been staring down the throat of a giant black hole for years, has published what it called the most intimate portrait yet of the forces that give rise to quasars, the luminous fountains of energy that can reach across interstellar and intergalactic space and disrupt the growth of distant galaxies.

Astronomers Have Captured the Most Detailed Photo of a Black Hole Ever—See the Magnetic Fields That Power It Here

First Polarized Image of Black Hole Hints at Its Magnetic Field Structure