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What Does Dark Energy Really Do? | Space Time | PBS Digital Studios

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Added by The Angry UFOlogist in Science
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Dark energy, what exactly does it do? Find out in this episode of Space Time! Part 3 in our Dark Energy series.
Part 1: https://www.youtube.com/watch?v=xZTb6sfHEX8
Part 2: https://www.youtube.com/watch?v=-4PayaEgEZc
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How does dark energy affect the universe's expansion? Measuring past expansion history should tell us the future expansion without ever having to count any galaxies. To measure this we need to measure the redshift-distance relationship, which we will talk about in detail in this episode.

Written and hosted by Matt O’Dowd

Made by Kornhaber Brown (www.kornhaberbrown.com)

Comments
Pravar Parekh
https://www.youtube.com/watch?v=-4PayaEgEZc&lc=z13yy1xzenqrj1tnp22etlby2syevrie4

Yeshwanth Vejendla
https://www.youtube.com/watch?v=-4PayaEgEZc&lc=z13pvhdpjrfcsl14u04ce3dgrzy5frjqb34

Thomas Waclav (Ceasar)
https://www.youtube.com/watch?v=-4PayaEgEZc&lc=z13fcd5quk3svhbp304cfdjbwwndihnqwj0

Austin Pinheiro
https://www.youtube.com/watch?v=-4PayaEgEZc&lc=z12zgtdockbruxrih04cib2qwqfhgnrxjk00k
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White dwarf supernova simulation from "Three-Dimensional Simulations of the Deflagration Phase of the Gravitationally Confined Detonation Model of Type Ia Supernovae", Jordan et al., 2007, http://arxiv.org/abs/astro-ph/0703573

Supernova Cosmology Project: Perlmutter et al. 1999, http://arxiv.org/abs/astro-ph/9812133

High-Z Supernova Search Team: Riess et al. 1998, http://arxiv.org/abs/astro-ph/9805201

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