/u/tarandfeathers's posts
How do they calculate the 1.5B ly distance from the source of the recent fast radio bursts (FRB) received from space?
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What happens to an object when it is crossed by a gravitational wave? Would it be dangerous for a human above a certain amplitude?
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Given O2 and CO2 molecules occupy the same volume but CO2 is over a third heavier than O2, does this mean we loose weight while breathing? (or, we exhale a smaller gas volume?)
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Do the comm to and from Mars "aim" their radio beam ahead the target's orbital trajectory to compensate with the "slowness" of the speed of light?
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How could an alien civilization located amidst a dense star and dust cluster get an unbiased opinion about the real size of the Universe?
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Suppose there is a starship traveling at the speed of light. As long as any one-way trip, no matter how long, will last a blink for the passenger's pov, how would the course and destination be set?
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