Author Topic: Betelgeuse possibly supernovas  (Read 16652 times)

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Offline Mikes

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Re: Betelgeuse possibly supernovas
Hm... interesting.  But even if it does go nova, we're still talking stellar timescales here, prolly won't happen in our lifetine.

Except if it has already happened, say some 550 to 599 years ago.

Lightyears remember ? Astronomy is basically observing the distant past due to how slow light (which is what we are observing) actually moves on a cosmic scale.

The actual event of the Star collapsing and going boom/nova is measured in seconds, which is one reason why it is quite so violent.
It would be about as bright as the moon in the nightsky when the light from a potential Beetlejuice Nova finally reaches us, except all the brightness would be condensed to a very small spot, so it might not be safe to look at with the naked eye. Or thats what i read anyways ;)
« Last Edit: June 12, 2009, 12:03:59 pm by Mikes »

 

Offline Mr. Vega

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Re: Betelgeuse possibly supernovas
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Offline High Max

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Re: Betelgeuse possibly supernovas
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« Last Edit: January 04, 2010, 05:57:00 pm by High Max »
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Offline Mobius

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Re: Betelgeuse possibly supernovas
How can you...love a star?? What makes it so special?

I'm sorry for the off-topic-ness, but...:wtf:

Sweet name?

Names? Not necessarily...

Antares = Alpha Scorpii, and I'm Scorpio. If something is related to your date of birth, you do have some consideration of it.

Betelgeuse = Alpha Orionis (it should be Beta Orionis due to Rigel's brightness). Orion is a very good looking constellation... and the guy was a hunter. ;7 Furthermore, there's a legend about Scorpio and Orion - he has been killed by a scorpion (mythology facts, of course), and whenever Scorpio appears on the nightsky Orion disappears. I feel like I have the copyright (OrionTM) because my sign owned him. :p

Sure. The first one is Antares, and the second is Betelgeuse. I also love Alpha Crucis.
No love for Sol?

Well, yeah...
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Offline GTSVA

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Re: Betelgeuse possibly supernovas
Except if it has already happened, say some 550 to 599 years ago.

Lightyears remember ? Astronomy is basically observing the distant past due to how slow light (which is what we are observing) actually moves on a cosmic scale.
I doubt that.
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Offline General Battuta

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Re: Betelgeuse possibly supernovas
Except if it has already happened, say some 550 to 599 years ago.

Lightyears remember ? Astronomy is basically observing the distant past due to how slow light (which is what we are observing) actually moves on a cosmic scale.
I doubt that.

You doubt that what he said is true?

Are you not familiar with the concept of the lightspeed limit and the definition of a light-year?

Or are you just doubting that the star blew up at some point in the past 600 years?

 

Offline Rhymes

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Re: Betelgeuse possibly supernovas
That goes without saying, Goob.  We all love that star.  After all, without it, we kinda wouldn't be here discussing it now would we?
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Offline NGTM-1R

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Re: Betelgeuse possibly supernovas
No love for Sol?

The term "Lost Generation" passed out of use with the NTF; it was pointless now, it encompassed more than a single generation. We were simply 'the Lost', born under the light of distant suns. It was our fate to wander the universe, far from home, never to return.

When we Returned, it was an almost religious experience; we who had been born and expected to die never having felt Sol's rays. Nothing could have kept us from our home.
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Offline Androgeos Exeunt

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Re: Betelgeuse possibly supernovas
No love for Sol?

You obviously haven't seen my YouTube Channel. :drevil:
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Offline Snail

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Re: Betelgeuse possibly supernovas
Wait, I thought that the first FS1 missions were in Antares?

 
Re: Betelgeuse possibly supernovas
Well, the one with the GTC Orff was in Betelgeuse.
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Offline Snail

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Re: Betelgeuse possibly supernovas
Ah. Ok.

 

Offline GTSVA

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Re: Betelgeuse possibly supernovas
Except if it has already happened, say some 550 to 599 years ago.

Lightyears remember ? Astronomy is basically observing the distant past due to how slow light (which is what we are observing) actually moves on a cosmic scale.
I doubt that.

You doubt that what he said is true?

Are you not familiar with the concept of the lightspeed limit and the definition of a light-year?

Or are you just doubting that the star blew up at some point in the past 600 years?

I doubt that it already happened.
What's up?

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Offline Bobboau

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Re: Betelgeuse possibly supernovas
what do you mean?
that you do know that the things we observe with stars happened hundreds, thousands, millions of years ago, you know that right?
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Offline Androgeos Exeunt

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Re: Betelgeuse possibly supernovas
Lightyears doesn't measure time, it measures distance.
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Re: Betelgeuse possibly supernovas
No, but if something is one million light years away, we are seeing what happened one million years ago.
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Offline Black Wolf

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Re: Betelgeuse possibly supernovas
Lightyears doesn't measure time, it measures distance.

In this context, it does both.
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Offline Bobboau

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Re: Betelgeuse possibly supernovas
Lightyears doesn't measure time, it measures distance.
it measures the distance it takes light to travel in a year, therefore the number of lightyears away something is is the number of years ago what you see now happened.
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Offline Mika

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Re: Betelgeuse possibly supernovas
I think I will take a closer look at the eye damage from the supernova later this afternoon. There could be something to learn in there, actually.
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Offline Mikes

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Re: Betelgeuse possibly supernovas
Lightyears doesn't measure time, it measures distance.

We know speed = Light travels at 1 Lightyear per Year (doh - well its defined that way heh) and distance: 600 Lightyears.

Therefore we can measure time. Speed x Time = Distance. Therefore Time = Distance/Speed = 600 Lightyears / 1Lightyear/Year = 600 Years.

Means a photon takes 600years to travel from Beetlejuice to where your eye can observe it, therefore anything you do observe happened 600 years in the past already.
i.e., If it blew up 595 years ago, we won't find out for another 5 years, but then we WILL see it LOL ;)

I think I will take a closer look at the eye damage from the supernova later this afternoon. There could be something to learn in there, actually.

Whenever i have another eye-exam i'll make sure to ask the doctor about it, just to see the WT* look on his/her face LOL.

"Oh and btw Doc, when Beetlejuice goes Supernova; will it be safe to look at or can it damage my eye"?  :lol: :nod:
« Last Edit: June 14, 2009, 07:47:08 am by Mikes »