mdzedzej (OP)
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May 29, 2014, 03:53:56 AM |
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I just saw a star die, i was smoking a cig and looked up and noticed a star was bigger and brighter than normal, then it turned blue, then red, then it shrunk quickly and completely disappeared from the sky, does nasa have a way to confirm this?
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jaberwock
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May 29, 2014, 04:15:29 AM |
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Do you think that star die that fast. All I know it would take years for that sequences to happen.
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Singlebyte
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May 29, 2014, 04:35:52 AM |
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I just saw a star die, i was smoking a cig and looked up and noticed a star was bigger and brighter than normal, then it turned blue, then red, then it shrunk quickly and completely disappeared from the sky, does nasa have a way to confirm this?
Way cool! I saw one die as well about a decade ago. I was sitting in a hot tub enjoying the night sky's and all of a sudden a star just got a brighter and then disappeared. It was awesome to actually witness it. I looked up ever resource on the internet trying to see if there was any logs or other confirmations. Unfortunately I found nothing. So the star died with only me (as far as I know) witnessing it. It is amazing you can see with your own unaided eyes the death of a star.
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Ron~Popeil
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May 29, 2014, 05:38:02 AM |
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It was probably a piece of space junk or a small meteorite. Stars take years upon years to go supernova then fade from sight. What you saw sounds very cool though.
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Singlebyte
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May 29, 2014, 05:53:07 AM |
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It was probably a piece of space junk or a small meteorite. Stars take years upon years to go supernova then fade from sight. What you saw sounds very cool though.
In my case there is no way it was anything but a star. I was staring directly at it for a few minutes before it went. It was not moving and was definitely a star. I would nightly go out in the hot tub and watch comets, satellites, and other things in the night sky. In fact I use to track the orbiting satellites and be able to name them as they flew overhead by reading the computer schedules. Only other thing it could have been would be a motionless alien spaceship that exploded. ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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dariuss
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May 29, 2014, 05:53:33 AM |
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I`m pretty sure it takes several hundred years? then it becomes a black hole right?
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beetcoin
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May 29, 2014, 05:55:27 AM |
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I`m pretty sure it takes several hundred years? then it becomes a black hole right?
it has to be big, much bigger than our sun. but maybe the star OP saw got sucked in by a black hole or something. if it were a dying star, it probably wouldn't be bright enough for someone to see, since those stars are awfully far away, and a faint star's light probably wouldn't reach us. another amazing thing: if that star did die, then you were basically staring hundreds or thousands (or millions) of years into the past. it happened way before you were born, but you were able to witness it.
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Benjig
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May 29, 2014, 06:03:26 AM |
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Hehe yes so he saw the " movie " of the death of a star, just the light that remains traveling for thousands of years in the space.
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hilariousandco
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May 29, 2014, 06:06:37 AM |
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No, he may have seen some space junk or a meteor burn up, but it probably wasn't even that. Sometimes your eyes just play tricks on you or you briefly see the reflection off things in the sky. Or maybe there was some weed in that cigarette he was smoking ![Cheesy](https://bitcointalk.org/Smileys/default/cheesy.gif) .
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hilariousandco
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May 29, 2014, 06:17:57 AM |
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Yeah, under the right circumstances, but that's not what he saw, and they obviously don't just burn up and are gone in a few seconds. A visible dead star would be seen so for weeks.
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beetcoin
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May 29, 2014, 06:18:55 AM |
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Yeah, under the right circumstances, but that's not what he saw, and they obviously don't just burn up and are gone in a few seconds. A visible dead star would be seen so for weeks.
you know stars explode right? the heat really gets to a low point, but it's compacting and then it just blows. so it gets a lot brighter for a little bit before fading. what i was saying though, is that the star at low energy levels probably don't shoot out enough energy for us to see it and disappear..
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hilariousandco
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May 29, 2014, 06:21:19 AM |
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Yeah, under the right circumstances, but that's not what he saw, and they obviously don't just burn up and are gone in a few seconds. A visible dead star would be seen so for weeks.
you know stars explode right? the heat really gets to a low point, but it's compacting. Yes, but you don't see them blow up in a few seconds. The light takes millions of light years to reach us and lasts for a while so we don't see them just explode and instantly dissapear from view.
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beetcoin
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May 29, 2014, 06:25:18 AM |
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Yeah, under the right circumstances, but that's not what he saw, and they obviously don't just burn up and are gone in a few seconds. A visible dead star would be seen so for weeks.
you know stars explode right? the heat really gets to a low point, but it's compacting. Yes, but you don't see them blow up in a few seconds. The light takes millions of light years to reach us and lasts for a while so we don't see them just explode and instantly dissapear from view. i don't know how long it takes for a star to explode.. but if it's only a few seconds, then it would still burn bright and then flicker off. apparently supernovas take only a few seconds to flicker off.
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Singlebyte
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May 29, 2014, 06:31:43 AM |
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Yeah, under the right circumstances, but that's not what he saw, and they obviously don't just burn up and are gone in a few seconds. A visible dead star would be seen so for weeks.
you know stars explode right? the heat really gets to a low point, but it's compacting. Yes, but you don't see them blow up in a few seconds. The light takes millions of light years to reach us and lasts for a while so we don't see them just explode and instantly dissapear from view. He wasn't watching the entire sequence of an exploding star. Just the final seconds before the light extinguished.
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DolanDuck
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May 29, 2014, 06:48:00 AM |
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The death of a star is a sequence which can lasts thousands of years, you probably have seen something else... Short scheme on how a star dies:
Different Stars Die Differently Stars burn hydrogen, and when that hydrogen runs out, they die. When they die and how they die, however, differ depending on the size and type of the star. Hot, bright stars die sooner than large, cooler stars. Massive stars violently explode, while smaller stars slowly swell, then shrink to a dim spark. When stars die, they either become black holes (rare), white or black dwarfs (our sun will become a white dwarf), or something called a neutron star.
Death of Small Stars Stars with the solar mass of about half our sun will either become something called a white dwarf or a red giant. These small stars do not collapse in upon themselves. Instead, they do one of two things: They either simply stop burning (in the case of very small stars) or the center of the star, which is usually still surrounded by some remnants of hydrogen, will fuse, causing the star to expand very slowly. These latter stars are actually called red giants, and they are more common than white dwarfs. Scientists speculate that white dwarfs will eventually cool down enough to become something called a black dwarf, but they have not been able to prove this, since black dwarfs would necessarily actually have to be older than the universe currently is. This means that the universe hasn't been around long enough to let any white dwarfs form into black dwarfs!
Death of Big Stars Very large stars (categories by solar masses above 8 ) will look much like a red giant, but the core of the star will be busy triggering nuclear fusion reactions, with the eventual result of the formation of iron, which collides with other gasses and causes a huge explosion. This explosion is called a Supernova. Supernovas are incredibly bright and very rare.The last one happening in our galaxy took place in the seventeenth century and was so bright it could be seen during daylight hours. The gravity at the core of the star, and then supernova, will continue to pull the remains of the explosion towards itself, eventually forming something called a neutron star, which is incredibly dense (weighing trillions of tons). Stars that have an even larger solar mass (30 or above) will continue to collapse after the supernova to the point where they form black holes, an exceedingly rare event. The gravitational pull of a black hole is so strong that no energy can escape it, not even light.
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hilariousandco
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May 29, 2014, 07:13:32 AM |
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Yeah, under the right circumstances, but that's not what he saw, and they obviously don't just burn up and are gone in a few seconds. A visible dead star would be seen so for weeks.
you know stars explode right? the heat really gets to a low point, but it's compacting. Yes, but you don't see them blow up in a few seconds. The light takes millions of light years to reach us and lasts for a while so we don't see them just explode and instantly dissapear from view. He wasn't watching the entire sequence of an exploding star. Just the final seconds before the light extinguished. Yeah, but they'd very slowly just fade from view, and wouldn't be like what op described at all. I'm almost certain he didn't see a dying star.
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KeyserSozeMC
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May 29, 2014, 07:15:03 AM |
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You sure you wasn't smoking some weird shit ?
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Hey, smexy. Don't waste your time. Time's precious.
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