How do cosmic supervoids prove that dark energy exists? | Space is Weird - Boötes Void

Supervoids are some of the largest, emptiest regions of space in the entire Universe. Their very existence proves that the expansion of the Universe must be accelerating; by studying them we can therefore probe the mysterious dark energy…

You can pre-order my book ' Space: 10 Things You Should Know' as a hardback (UK only) or e-book (worldwide): http://bit.ly/SpaceDrBecky

Krishner et al. (1981) - http://articles.adsabs.harvard.edu/cg...
Kopylov et al. (1988) - http://articles.adsabs.harvard.edu/pd...
Riess et al. (1998) - https://arxiv.org/pdf/astro-ph/980520...
Keenan, Barger & Cowie (2013) - https://arxiv.org/pdf/1304.2884.pdf


This is the fifth in my "Space is Weird" playlist. Check out the rest of the playlist here:    • Space Is Weird  

-----------

Follow me on Twitter:   / drbecky_  
And on Instagram:   / drbecky_s  

Don't forget to subscribe and click the little bell icon to be notified when I post a new video!

-----------

My sister made the frame in the background as a present when I passed my PhD. It's not a real certificate. It's a decorative frame in my office which I love. My sister does commissions if anyone else wants one: https://megansmethurstdesign.wordpres...

We're moving house soon so I'm hoping to get more prints to decorate my new office! If you have any recommendations let me know in the comments.

--------------

Dr Becky Smethurst is an astrophysicist researching galaxies and supermassive black holes at Christ Church at the University of Oxford.

http://drbecky.uk.com