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In astronomy, there is a Doppler effect with a light called “red-shift”, where if a body is moving away from you the light’s wavelength is slightly longer (i.e. redder) and if it is moving toward you then The Dadalorian The Best Dad In The Galaxy Shirt. That is bad (then again, I’m not even sure if/how red-shift would work with a black hole unless it was on the accretion disk or some such). So, the rest of the pun is that “rouge” is French for red (and blush make-up back in the day), bleu is French for blue. Most likely the original commenter meant a rogue black hole. But auto-correct messed it up to “rouge” black hole. Man, imagine how terrifying it would be to yank the Earth out of orbit. Flinging it somewhere else. We’d be in total darkness, spinning around, gravity all messed up. I would love to have a theoretical discussion. What would happen on Earth if it was yanked out and hurled across space?  My 4-bit brain could not fully understand the dredge up event which has to do with surface convection, but Wikipedia suggests the dimming could also be due to large grain circumstellar dust.

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Starting in October 2019, Betelgeuse began to dim noticeably, and by mid-February 2020 its brightness had dropped by a factor of approximately 3, from magnitude 0.5 to 1.7. By 22 February 2020, Betelgeuse stopped dimming and The Dadalorian The Best Dad In The Galaxy Shirt. Infrared observations found no significant change in brightness over the last 50 years, suggesting that the dimming is due to a change in extinction rather than an underlying change in the luminosity of the star. Further studies suggested that occluding “large-grain circumstellar dust” may be the most likely explanation for the dimming of the star. Relativity theorizes if you move at the speed of light time doesn’t pass for you but it still passes for observers. If you stood 50 million light-years away and shot a photon in a direction, then you magically warp through space to that direction 50 million light-years away it would take 50 million years for that photon to get there.

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I think generally it means that if we can reach relativistic speeds. That 4ly trip to the nearest star only takes 4 ÷ fractions of C for outside observers. Ao says 20 years at 1/5th the speed of light. The person on the ship would experience significantly less than 20 years. Though I’m not sure exactly how much and whether it’s linearly related to their speed. So The Dadalorian The Best Dad In The Galaxy Shirt at that speed its likely people will eventually travel to other stars. Of course, there are significant issues with accelerating something like a ship full of people. And supplies to that kind of speed – it would require an amount of energy. Again on the other end to slow down. Why do we say that a light particle travels at approximately 300,000 km/s? And yet we say that the particle doesn’t travel through time? you say it doesn’t experience time. I don’t get how just because it is going fast time seems irrelevant to it. Time is relative to the observer. It is not constant. The faster you become, the slower time flows for you. The relative theory has time and space dilation. Basically, if you travel 99,99999% of the speed of light, tie for you will become really slow. What you experience as a second will be for these that stay still be millions of years.

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