* Whiteboard required
** This activity is teacher paced
The universe is huge and getting bigger all the time, and we have we have dark energy - the most mysterious force in the universe - to blame/thank for it. Thought to make up more than 70% of the energy in the whole universe, Hank describes how dark energy was theorized to exist, and how scientists are trying to explain it.
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References and image licenses for this episode can be found in the Google document here: http://dft.ba/-2Qrd
Tagged under: scishow,science,physics,hank green,universe,dark energy,galaxy,supernova,expanding,expansion,big bang,energy,space,time,matter,gravity,einstein,prediction,theory general relativity,cosmological constant,theory,quintessence, element,hubble
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