Now Joanna Pietrowska of the University of Cambridge, who recently presented a study at the Virtual National Astronmy Meeting, finally has an answer to a question that was lingering for decades. Astronomers had not previously been confounded by what holds back star formation in some galaxies, known as quiescent galaxies, which still produce stars but hardly anywhere near as fast as those that see much more action.
“The transition between a regular star-forming galaxy and one which is no longer forming new stars is an incredibly complex process,” she told SYFY WIRE. “It involves a change galaxy structure and dynamics, which leads to a broad range of relationships observed between different galactic properties and decreased star formation.”
Most complete map of black holes captured by German X-ray space telescope
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German X-ray space telescope captures most complete map of black holes ever
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Are Huge Black Holes Robbers Of Galactic Growth?
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Research: Supermassive Black Holes Most Important Factor In Putting Brakes on Star Formation
July 20th 2021, 2:45 pm It s really exciting to see how the simulations predict exactly what we see in the real Universe.
Image Credit:
NASA, ESA, K. Kuntz (JHU), F. Bresolin (University of Hawaii), J. Trauger (Jet Propulsion Lab), J. Mould (NOAO), Y.-H. Chu (University of Illinois, Urbana), and STScI
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Black holes with masses equivalent to millions of suns do put a brake on the birth of new stars, say astronomers.
Using machine learning and three state of the art simulations to back up results from a large sky survey, the researchers resolve a 20-year long debate on the formation of stars. Joanna Piotrowska, a PhD student at the University of Cambridge, will present the new work today (Tuesday 20 July) at the virtual National Astronomy Meeting (NAM 2021).