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There are black holes in dwarf galaxies that escape our observation

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Mathematical analysis helps shed light on the puzzle of how information escapes black holes.

Nationalgeographic.co.id – In the midst of the crowd, the findings are clear black hole Sagittarius A* in the center of the Milky Way by the Event Horizon Telescope team, a team discovered a massive black hole that had been neglected for a long time.

The black hole is in a galaxy dwarf. His findings by the researchers offer a glimpse into the life story of the supermassive black hole Sagittarius A* in our galaxy. The findings were published in the journal The Astrophysical JournalTuesday 24 May 2022.

Lead author of the study Mugdha Polimera said, “This result really surprised me because this black hole was previously hidden in plain sight.” He is a researcher from the Department of Physics and Astronomy, University of North Carolina (UNC), USA.

Usually, black holes are detected when they are actively growing by ingesting the gas and stardust swirling around them. This activity makes black holes that are invisible because they are dark and able to attract light, can be so bright.

“Just like fireflies, we see black holes only when they’re lit up—as they’re growing—and glowing black holes give us clues as to how much we can’t see,” said Sheila Kannappan, advisor and co-author of the research at UNC. from page UNC.

However, the process of growth and development of black holes shining thanks to high-energy radiation is also the same as the activity of newborn young stars. Astronomers, traditionally, have distinguished growing black holes from new star formation by diagnostic tests that rely on the detailed features of the visible light in each galaxy as it spreads out into the spectrum like a rainbow.

Also Read: How EHT’s Super-Telescope Photographs Black Holes in Space?

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Also Read: ‘Wormholes’ Help Explain the Black Hole Information Paradox?

Also Read: Astronomers Finally Successfully Photographed the Black Hole at the Center of the Milky Way


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