What Does Dark Energy Really Do?

Dark energy, what exactly does it do? Find out in this episode of Space Time! Part 3 in our Dark Energy series.
Part 1:    • Will the Universe Expand Forever?  
Part 2:    • Why the Universe Needs Dark Energy  
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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)

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Pravar Parekh
   • Why the Universe Needs Dark Energy  

Yeshwanth Vejendla
   • Why the Universe Needs Dark Energy  

Thomas Waclav (Ceasar)
   • Why the Universe Needs Dark Energy  

Austin Pinheiro
   • Why the Universe Needs Dark Energy  
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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