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SIO360: How Gravitational Lensing Helps Us Understand the Universe

May 9, 2023

01:10:07

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Episode notes

Introduction

3min

The Basics of Gravitational Lensing

3min

Gravity Bends Light

3min

The Event Horizon: The Limit for Light Escape

2min

The Effects of Strong Gravitational Lensing on Images

2min

The Importance of Pre-Lensing Galaxies

2min

The Correlation Between Galaxy Collapsing and Solar Systems

2min

The Bernoulli Effect

4min

Gravitational Lensing and the Dark Matter Episode

3min

10.

The Consensus on Dark Matter

2min

11.

The Gravity of Galaxies

2min

12.

The Inter-Cluster Medium and Dark Matter

3min

13.

Where Is All the Mass in This?

3min

14.

The Uncertainty of Dark Matter

2min

15.

The Importance of Unbiased Mass Mapping

2min

16.

The Effect of Gravitational Lensing on Dark Matter

3min

17.

The Problem With Gravitational Lensing

3min

18.

The Difference Between Dark Matter and Smaller Black Holes

2min

19.

The Use of Gravitational Lensing to Pick Up Dark Matter

2min

20.

The Problem With Dark Matter in Space

2min

21.

The Cosmic Web of Dark Matter

4min

22.

The Euclid Space Telescope's Cosmic Share Measures the Universe

3min

23.

The Cosmological Concept and the Acceleration of the Universe

3min

24.

The Different Types of Dark Matter

2min

25.

The Euclid Telescope and the Curvature of the Universe

2min

26.

The Four Dimensions of the Universe

3min

27.

The Strange Way Dark Energy Works

1min

28.

The Cosmological Constant and Dark Matter

2min

29.

How the Euclid Space Telescope Can Analyze Data on Sources Across the Sky

3min

Dr. Bryan Gillis is back! This time he's here to teach us about gravitational lensing. And along the way, we learn about dark matter and dark energy! What the hell are they? What the hell aren't they? Could you have a black hole made out of dark matter? So much fascinating stuff!

Links: ESA Euclid Page, Euclid Wikipedia page, Vimeo Channel for the Royal Observatory.