Spring Presidential Lecture Series

Start Date: April 17 2018 - 04:30 PM

End Date: April 17 2018 - 06:30 PM

Audience: Student, Faculty and Staff

Category: Lectures

Location: M-136

Description:

Spring 2018 Presidential Lecture Series Dr. Jillian Bellovary will discuss Gravitational Waves: What in the universe are they? And why should we care?

100 years after Einstein predicted their existence, we have detected the amazing phenomenon of gravitational waves! In this talk I will discuss what they are, how we observe them, and where they come from. In particular, merging black holes are something we predicted to happen but never thought to see, because they do not emit any light. I will summarize the recent detections from the The Laser Interferometer Gravitational-Wave Observatory (LIGO) instrument, including the new window we have on observing black holes in the universe. The LIGO instrument is limited in what types of merging black holes it can measure: supermassive black holes, which exist in the center of most galaxies, emit lower frequency gravitational waves when they merge and LIGO cannot detect them. However, a new space-based mission is being planned which will be able to observe gravitational waves from many more types of objects, including supermassive black holes. I will demonstrate how my research on simulating the formation of supermassive black holes in galaxies makes key predictions for this up-and-coming observatory.

 


Contact Name: Ronni Weprin

Contact Phone: 718.281.5510

Contact Email: rweprin@qcc.cuny.edu

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