Tag

Gas Clouds

All articles tagged with #gas clouds

science1 year ago•4 min saved

Surprising Flares Detected from Supermassive Black Hole Pair

Researchers have observed unusual flares from a binary supermassive black hole system, AT 2021hdr, located in the Cygnus constellation. These flares, occurring every 60 to 90 days, are believed to be caused by the black holes passing through and disrupting a massive gas cloud, rather than consuming a star. This discovery, made using NASA's Zwicky Transient Facility and Neil Gehrels Swift Observatory, challenges previous assumptions about such phenomena and suggests that the black holes are accreting large amounts of gas from the cloud.

via Ars Technica|

#astronomy #binary-systems #black-holes

science1 year ago•3 min saved

Scientists Stunned by Intense Light from Black Hole Pair

Astronomers have discovered two black holes in a distant galaxy emitting unusual flashes of light, a phenomenon not seen before. These flashes, occurring at regular intervals, are believed to be caused by the black holes interacting with a massive gas cloud, forming an M-shaped spectral pattern. Initially mistaken for a supernova or active galactic nucleus, the recurring nature of the flashes led researchers to conclude that the black holes are swirling in a gas-rich environment, possibly due to a galaxy merger. This discovery, published in Astronomy & Astrophysics, marks a significant advancement in understanding black hole behavior.

via Interesting Engineering|

#astronomy #black-holes #galaxies

astronomy1 year ago•2 min saved

"The Radcliffe Wave: The Enormous Star-Studded Wave in the Milky Way"

Astronomers have discovered a colossal chain of gas clouds in the Milky Way called the Radcliffe Wave, housing around 800 million stars and actively seeding more. In a new paper, researchers present evidence that the Wave is a literal oscillating wave, with stars rising and falling through the galaxy's disk. The Wave, up to 400 light-years deep and 9,000 light-years long, is the largest known structure of gas in astronomy and is radiating away from the galaxy's center. Understanding the Wave can provide insights into the galaxy's operations, including its potential role in forming the Local Bubble around our solar system.

via Space.com|

#astronomy #galaxy #gas-clouds

astronomy1 year ago•2 min saved

"The Radcliffe Wave: The Enormous Star-Studded Wave in the Milky Way"

Astronomers have discovered the Radcliffe Wave, a massive chain of gas clouds in the Milky Way containing 800 million stars, and have now found evidence that it is a literal wave, oscillating over time with stars rising and falling through the galaxy's disk. The Wave, up to 400 light-years deep and 9,000 light-years long, is radiating away from the galaxy's center and may have contributed to the formation of the Local Bubble around our solar system. This discovery provides insight into the dynamics of our galaxy and was published in the journal Nature on Feb. 20.

via Yahoo! Voices|

#astronomy #galaxy #gas-clouds

science-and-astronomy2 years ago•5 min saved

Discovery of First Stars' Remnants in Distant Gas Clouds

Astronomers have discovered the chemical remains of the universe's first stars in distant gas clouds using the Very Large Telescope (VLT) in Chile. The find could help scientists better understand the conditions of the universe shortly after the Big Bang, when the universe was just around 300,000 years old and the first stars were being born. The first generation of stars that formed 13.5 billion years ago was very different from the stellar bodies we see in the universe today. The team's research was published in The Astrophysical Journal.

via Space.com|

#chemical-fingerprint #extremely-large-telescope #first-stars