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UR: The Size Distribution of Neutral Islands During the Epoch of Reionization

21 Apr 2021, 14:29 UTC
UR: The Size Distribution of Neutral Islands During the Epoch of Reionization
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The Undergraduate Research series is where we feature the research that you’re doing. If you are an undergraduate that took part in an REU or similar astro research project and would like to share this on Astrobites, please check out our submission page for more details. We would also love to hear about your more general research experience!

Tommy Wen ChinSan José State UniversityThis guest post was written by Tommy Wen Chin. Tommy Wen Chin is a 4th year undergraduate student at San José State University. He conducted this research with Dr. Steven Furlanetto at UCLA as part of an REU and presented it as a poster at AAS2021.During the epoch of reionization, ionizing photons from early galaxies carved out large ionized bubbles in the neutral intergalactic medium, which grew and eventually filled the Universe by about a billion years after the Big Bang. Over the next decade, using instruments like the Hydrogen Epoch of Reionization Array (HERA), astronomers hope to image the neutral regions remaining at the end of reionization using the 21-cm line. They hope to observe the state of the universe in this last unexplored phase of cosmic evolution to discover what objects first lit up the ...

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