"Ask Ethan: Why Haven't We Bumped Into Another ..." Topic
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| Tango01 | 21 Mar 2018 11:56 a.m. PST |
…Universe Yet?. "The Universe we inhabit is vast, full of matter and energy, and expanding at a tremendous clip. Looking billions of light years away, we can see billions of years into our ancient past, finding evidence of newly-forming planets, stars, and galaxies. We've seen so far back that we've identified clouds of gas that have never yet formed a single star, and found galaxies from when the Universe was only 3% of its current age. Most spectacularly, we can actually see the leftover glow from the Big Bang, from a time when the Universe was a mere 380,000 years old. Yet in all of this cosmic enormity, we've never found evidence that our Universe has bumped into another one in this vast Multiverse. Why not? That's what Rod Russo wants to know:…."
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| Mithmee | 21 Mar 2018 1:28 p.m. PST |
Well we are going to and sadly none of us will be here to see it happen. |
 etotheipi  | 22 Mar 2018 1:36 p.m. PST |
No matter how large you believe you mother-in-law is, the planet we inhabit is significantly larger. Lots of the 9.7 billion people on it haven't bumped into her. The scale difference between our universe (the part we can observe and monitor in this way) and the enormity of the Multiverse puts the mother-in-law vs planet example to shame. She also probably hasn't bumped into many people who died before she was born… |
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