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Black Holes Require Cool Gas to Continue Growing

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Black holes are mysterious entities in the Universe, and understanding their growth has been a puzzle for astronomers for a long time. Supermassive black holes, found in almost every galaxy, are of particular interest to scientists. One of the key questions is how these black holes grew to such immense sizes in a relatively short period. Recent research has shed light on this phenomenon, suggesting that cold gas plays a crucial role in fueling the growth of these cosmic behemoths.

The challenge for astronomers lies in identifying black holes in the early Universe, especially in merging galaxies. This task requires accurate identification of early galaxies, a process that has traditionally been done manually. However, with the advancements in machine learning, this task is becoming more efficient and accurate.

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True positives vs false positives in machine learning identification. Credit: Avirett-Mackenzie, et al

A recent study took a novel approach by utilizing machine learning algorithms trained by experts to identify black hole mergers in both simulated and real data. By comparing the results, the researchers were able to remove biases and achieve a high level of accuracy in identifying these cosmic events. This innovative method opens up new possibilities in studying the growth of black holes.

The study revealed an intriguing connection between the growth of supermassive black holes and the presence of cold gas in their vicinity. Contrary to previous beliefs, galactic mergers are not the primary drivers of black hole growth. Instead, the availability of large quantities of cold gas plays a more significant role in fueling the rapid expansion of these cosmic giants. This finding underscores the importance of understanding the environmental factors that influence the growth of black holes.

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As the volume of astronomical data continues to increase exponentially, the collaboration between human expertise and machine learning becomes essential in deciphering the mysteries of the Universe. This study exemplifies how combining the skills of trained experts with cutting-edge algorithms can advance our understanding of black hole evolution.

Reference: Avirett-Mackenzie, M. S., et al. “A post-merger enhancement only in star-forming Type 2 Seyfert galaxies: the deep learning view.” Monthly Notices of the Royal Astronomical Society 528.4 (2024): 6915-6933.

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Watch Caitlin Clark in action: How to Watch Today’s Iowa vs. UConn Women’s March Madness Final Four Basketball Game

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March Madness 2024 has been full of surprises, but one thing that’s not surprising is the matchup between college basketball stars Caitlin Clark and Paige Bueckers in the women’s Final Four. The UConn vs. Iowa game promises to be an intense matchup between two top-tier programs whose stars have become the face of the game.

The UConn vs. Iowa Final Four game is a must-watch basketball event. The game is scheduled to take place on Friday, April 5, 2024 at 9:30 p.m. ET (6:30 p.m. PT) and will be broadcast on ESPN. The winner of this game will advance to the women’s NCAA national championship game on Sunday, April 7, 2024.

If you’re looking to watch the UConn vs. Iowa game without cable, there are several streaming options available. Hulu + Live TV offers a bundle with ESPN+ that allows you to stream every March Madness game. FuboTV is another streaming service focused on sports that offers access to all March Madness games. Sling TV is a cost-effective option that includes ESPN and ABC, where you can watch the game live.

For fans interested in watching the women’s national championship game, a digital HDTV antenna is a great option to watch ABC-aired coverage without any monthly charges. Additionally, ESPN+ offers exclusive live events, original shows, and top-tier series that can be accessed through the ESPN app for a monthly subscription fee.

Caitlin Clark has had an impressive journey towards the NCAA national championship game, showcasing her skills and becoming the NCAA’s all-time scoring leader. Nike’s “This was never a long shot” T-shirt is a great way to celebrate her achievements and savor the moment in her last season playing college ball.

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Overall, the UConn vs. Iowa Final Four game is expected to be a thrilling matchup between two talented teams, with Caitlin Clark and Paige Bueckers leading the charge. Be sure to tune in to witness the excitement of March Madness and support these incredible athletes on their journey to the championship.

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