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Author Topic: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years  (Read 3685 times)

Virex

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #45 on: January 28, 2011, 04:06:54 pm »
Gravitational effects also travel at the speed of light (at least theoretically), so in that case you could just watch for the supernova that'll accompany it ;)
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Darvi

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #46 on: January 28, 2011, 04:07:56 pm »
Actually gravity propagates at the speed of light.

Damn you ninjas!
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Tylui

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #47 on: January 28, 2011, 04:09:34 pm »
If gravity propagated at the speed of light, we'd all be in severely cold weather.
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Darvi

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #48 on: January 28, 2011, 04:12:32 pm »
How do you come to that conclusion?
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Tylui

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #49 on: January 28, 2011, 04:27:19 pm »
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Darvi

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #50 on: January 28, 2011, 04:31:32 pm »
Huh.

Either way, it can't be faster than light, so actually watching the nova is a faster alternative than measuring the gravitational effects or lack thereof
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Tylui

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #51 on: January 28, 2011, 04:36:08 pm »
I read that article like two years ago. Upon a second read-through it sounds a little... crazy.

But for the sake of continuing discussion why can't it be faster than light?
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Darvi

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #52 on: January 28, 2011, 04:45:30 pm »
Light speed is the absolute maximum when it comes to velocity.
Quote from: wikipedia
It is the speed of all massless particles and associated fields in vacuum, and it is predicted by the current theory to be the speed of gravity and of gravitational waves and an upper bound on the speed at which energy, matter, and information can travel.
Any massless object travels at the speed of light, anything with mass would need infinite energy to reach that velocity.
 
Quote
and of gravitational waves
Oh, it says right there that gravity has c speed. There you go.
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Tylui

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #53 on: January 28, 2011, 05:07:48 pm »
Well then.
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Nikov

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #54 on: January 30, 2011, 12:27:05 am »
Dammit, there goes my plan for FTL Morse Code transmissions by jiggling a chunk of gold in deep space.
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Quote from: DJ on March 20, 2011, 08:35:32 am
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Eagleon

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #55 on: January 30, 2011, 01:07:35 pm »
Quote from: Nikov on January 30, 2011, 12:27:05 am
Dammit, there goes my plan for FTL Morse Code transmissions by jiggling a chunk of gold in deep space.
I had the same idea when I was younger. We are now idea buddies.
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PTTG??

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #56 on: January 30, 2011, 06:17:06 pm »
Quote from: Aklyon on January 22, 2011, 10:54:13 am
By the time we see it, we'll already be a million years(or less) after it due to the weird temporal stuff in space.

"Sometimes, we send an astronaut up, and he comes back younger. One time, we sent up a monkey and it came back as Carl Sagan. We're still trying to figure that one out."
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filiusenox

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #57 on: January 30, 2011, 06:34:41 pm »
God, it will suck for it to be that bright for incredibly long.
But hey, I'll have an excuse for wearing my sunglasses at night.
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Quote from: CyberGenesis on February 26, 2012, 01:36:03 am
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Darvi

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Re: Betelgeuse to go "Boom" in 2012, +/- 1,000,000 years
« Reply #58 on: January 30, 2011, 06:35:19 pm »
Quote from: filiusenox on January 30, 2011, 06:34:41 pm
God, it will suck for it to be that bright for incredibly long.
But hey, I'll have an excuse for wearing my sunglasses at night.
You need an excuse for that? How lame :P
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