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YouTube

Catching Gravitational Waves - With Sheila Rowan

The Royal Institution via YouTube

Overview

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This course introduces the nature and sources of gravitational waves, explains how LIGO detects them using interferometry, and examines the future of gravitational-wave astronomy.

Syllabus

Intro
Fundamentals
Gravity: the death of stars
Gravitational Waves' possible sources
THE GRAVITATIONAL WAVE SPECTRUM
Properties of the final black hole
Gravitational Waves : A Strain in Space
How can we detect them?
Michelson Interferometer
Addition of Light Waves (Interference)
Main limitations to sensitivity
LIGO Observatories
Initial LIGO detectors
Advanced GW Detector Network
Generating and Distributing Prompt Alerts
GW150914 Sky Location estimate
Prospects for next observing runs
Science questions to be answered
Sky localisation with 3 detector sites
LIGO Liftoff of Vega VV06 carrying LISA Pathfinder
The Network of Gravitational Wave Facilities
How much of the Universe is made of matter we understand

Taught by

The Royal Institution

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