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From the Possibility to the Certainty of a Supermassive Black Hole

July 15 @ 6:00 pm7:00 pm

Guest Speaker
Andrea Ghez
2020 Nobel Prize Winner
UCLA Professor of Physics and Astronomy

Spaces are limited, registration on the Kahilu Theater Webite is required, click HERE for more!    

Learn about new developments in the study of supermassive black holes. Through the capture and analysis of twenty years of high-resolution imaging, the UCLA Galactic Center Group has moved the case for a supermassive black hole at the center of our galaxy from a possibility to a certainty and provided the best evidence to date for the existence of these truly exotic objects. This was made possible with the first measurements of stellar orbits around a galactic nucleus. Further advances in state-of-the-art of high-resolution imaging technology on the world’s largest telescopes have greatly expanded the power of using stellar orbits to study black holes.

Recent observations have revealed an environment around the black hole that is quite unexpected (young stars where there should be none; a lack of old stars where there should be many; and a puzzling new class of objects). Continued measurements of the motions of stars have solved many of the puzzles posed by these perplexing populations of stars. This work is providing insight into how black holes grow and the role that they play in regulating the growth of their host galaxies. Measurements this past year of stellar orbits at the Galactic Center have provided new insight on how gravity works near a supermassive hole, a new and unexplored regime for this fundamental force of nature.

Details

Date:
July 15
Time:
6:00 pm – 7:00 pm
Event Category:

Venue

Kahilu Theatre
67-1186 Lindsey Rd
Kamuela, HI 96743 United States
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Phone
+1 (808) 885-6868
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