- We can't see beyond the observable universe because light from there hasn't reached us yet. But since light always moves, shouldn't that mean that "new" light is arriving at earth. This would mean that our observable universe is getting larger every day. Is this the case?
- Einstein was considered brilliant for his theory of special and then general relativity. How much of the groundwork was already present?
- Does the ISS change orientation with respect to earth?
- How does gasoline expire/go bad?
- What is that largest percent majority that could still loose an election due to gerrymandering?
- Why are nuetrons necessary?
- Does Cygnus X-1 have a quasar?
- Why do we use radiation to kill cancer if radiation causes cancer?
- How will 'The 2038 Problem' affect people's day-to-day lives?
- How do/would we navigate in space?
| Posted: 04 Jul 2019 04:36 AM PDT The observable universe is the light that has managed to reach us in the 13.8 billion years the universe exists. Because light beyond there hasn't reached us yet, we can't see what's there. This is one of the biggest mysteries in the universe today. But, since the universe is getting older and new light reaches earth, shouldn't that mean that we see more new things of the universe every day. When new light arrives at earth, does that mean that the observable universe is getting bigger? [link] [comments]  |
| Posted: 03 Jul 2019 02:56 PM PDT We all know Einstein's theory of general relativity was both a spectacular achievement and still a good model of the universe today, but what was the lead up to this development? Were ideas like the Lorentz transformation of special relativity completely out of thin air or based upon previous work? And continuing that, to what extent was general relativity building off of previous theories? [link] [comments]  |
| Does the ISS change orientation with respect to earth? Posted: 03 Jul 2019 05:00 PM PDT |
| How does gasoline expire/go bad? Posted: 03 Jul 2019 04:16 PM PDT |
| What is that largest percent majority that could still loose an election due to gerrymandering? Posted: 03 Jul 2019 05:46 PM PDT I saw a meme that visually depicted how gerrymandering can cause a 60% majority to loose an election to a 40% minority, which made me wonder to what extent gerrymandering could theoretically change the outcome of an election. [link] [comments]  |
| Posted: 03 Jul 2019 09:32 PM PDT How do they physically play into the stability of an isotope? How do they stop protons from repelling each other? [link] [comments]  |
| Does Cygnus X-1 have a quasar? Posted: 03 Jul 2019 02:59 PM PDT For some reason, just when I think I've figured out what a quasar is, I get re-confused! I was to understand that quasars are a byproduct of supermassive black holes. Based on all of the illustrations I've seen of Cygnus X-1, it shows its jets on the poles which make me think quasar, but isn't Cygnus X-1 far too small to create a quasar? Are Cygnus X-1's jets something different than a quasar, or am I wrong on all fronts? [link] [comments]  |
| Why do we use radiation to kill cancer if radiation causes cancer? Posted: 03 Jul 2019 11:59 AM PDT |
| How will 'The 2038 Problem' affect people's day-to-day lives? Posted: 03 Jul 2019 10:17 AM PDT Bonus question: What did we learn during Y2K that could help us prepare? [link] [comments]  |
| How do/would we navigate in space? Posted: 03 Jul 2019 08:56 AM PDT Considered posting this to r/nostupidquestions but figured I wanted a more informed answer. As a layperson, I'd imagine that since we've only been to the moon, we'd just use visual orientation to align our spacecraft with the Earth and..."go that way". But how would we navigate back to Earth when it gets beyond sight and/or we leave the solar system? [link] [comments]  |
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