The other day, I was reading a post by Ethan Siegel on his excellent blog, Starts With a Bang, about whether it makes sense to consider the universe to be a giant brain. (The short answer is no, but read his post for the details.) Something he mentioned in the post caught my attention. But … Continue reading 97% of the observable universe is forever unreachable
Tag: expanding universe
Dark energy may be less energetic than previously thought
This is interesting. Astronomers discovered dark energy, the energy causing the rate of expansion rate of the universe to speed up, by looking at large numbers of Type 1a supernovae. Type 1a supernovae are white dwarfs (collapsed stars after their fusion has gone out) that explode. What causes a previously stable white dwarf to explode? … Continue reading Dark energy may be less energetic than previously thought
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