Black Hole Reactivates After 100 Million Years, Erupts Like Cosmic Volcano
Here’s a breakdown of the provided text, summarizing the key information:
Main Topic: Irregular Radio Jets from Supermassive Black Holes
Key Findings:
* Not all black holes emit radio jets: only 10-20% of supermassive black holes have jets that emit radio signals.
* Jets are powered by infalling matter & magnetic fields: These jets are created when matter spirals into a black hole, generating a magnetic field that flings material outwards. Changes in the disk around the black hole can cause these jets to turn on and off.
* New Study: Researchers used the Low-Frequency Array (a radio telescope network) to find over 20 galaxy clusters with radio galaxies exhibiting unusually shaped jets.
* Focus on J1007+3540: They specifically studied a galaxy called J1007+3540, which had a particularly strange jet pattern.
* Image: The provided image shows the active black hole and its radio jets.
Sources:
* Livescience article on magnetism: https://www.livescience.com/38059-magnetism.html
* Research paper in Monthly Notices of the Royal Astronomical Society: https://academic.oup.com/mnras/article/545/4/staf2038/8424076?login=false
In essence,the article discusses a new study investigating the causes of irregular radio jet emissions from supermassive black holes,focusing on a specific galaxy with an unusual jet structure.
