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2 suns in the sky

danarhea

danarhea

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Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks. The new sun would only be a little brighter than a full moon, but we would be plainly able to see it during the day. And no, don't listen to any naysayers. There would be no mass extinction on earth. We would be showered with harmless neutrinos, and we go about our daily business as usual. When they say that the supernova could happen at any time, it could mean tomorrow, or it could mean as many as 500 years from now. But it's going to happen. I hope it's tomorrow so that I can see this spectacular display before I croak. LOL.
 
Very interesting. Does it affect horoscopes?
 
danarhea said:
Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks. The new sun would only be a little brighter than a full moon, but we would be plainly able to see it during the day. And no, don't listen to any naysayers. There would be no mass extinction on earth. We would be showered with harmless neutrinos, and we go about our daily business as usual. When they say that the supernova could happen at any time, it could mean tomorrow, or it could mean as many as 500 years from now. But it's going to happen. I hope it's tomorrow so that I can see this spectacular display before I croak. LOL.
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I wonder, if man will still be alive....
 
danarhea said:
Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks. The new sun would only be a little brighter than a full moon, but we would be plainly able to see it during the day. And no, don't listen to any naysayers. There would be no mass extinction on earth. We would be showered with harmless neutrinos, and we go about our daily business as usual. When they say that the supernova could happen at any time, it could mean tomorrow, or it could mean as many as 500 years from now. But it's going to happen. I hope it's tomorrow so that I can see this spectacular display before I croak. LOL.
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Very interesting.

But, considering that it is about 640 light years from Earth, would it not have had to have gone supernova in the fifteenth century (as opposed to 'at any time') for us to see the results of it in our lifetimes?
 
DA60 said:
Very interesting.

But, considering that it is about 640 light years from Earth, would it not have had to have gone supernova hundreds of years ago for us to see the results of it in our lifetimes?
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Yup, it likely already went supernova, but we are just now seeing it implode towards that explosion.
 
DA60 said:
But, considering that it is about 640 light years from Earth, would it not have had to have gone supernova in the fifteenth century (as opposed to 'at any time') for us to see the results of it in our lifetimes?
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Definitely. And yet we have no way of checking.
 
danarhea said:
Yup, it likely already went supernova, but we are just now seeing it implode towards that explosion.
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It has something of the feel of a sifi story.
 
danarhea said:
Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks. The new sun would only be a little brighter than a full moon, but we would be plainly able to see it during the day. And no, don't listen to any naysayers. There would be no mass extinction on earth. We would be showered with harmless neutrinos, and we go about our daily business as usual. When they say that the supernova could happen at any time, it could mean tomorrow, or it could mean as many as 500 years from now. But it's going to happen. I hope it's tomorrow so that I can see this spectacular display before I croak. LOL.
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That would be awesome to see. I hope it is sooner rather than later.
 
I hope to be around when the event reaches us. Probably within the 50,000 - 100,000 years. Or more. Sniff.

Betelguise is one of the most interesting stars an amateur can follow. It's a red supergiant. It's brightness varies in random periods from months to 6 years. It's size and distance is an argued compromise between 495 light years and 640.

Betelgeuse
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danarhea said:
Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks. The new sun would only be a little brighter than a full moon, but we would be plainly able to see it during the day. And no, don't listen to any naysayers. There would be no mass extinction on earth. We would be showered with harmless neutrinos, and we go about our daily business as usual. When they say that the supernova could happen at any time, it could mean tomorrow, or it could mean as many as 500 years from now. But it's going to happen. I hope it's tomorrow so that I can see this spectacular display before I croak. LOL.
Click to expand...

Just a note here. Bold: This isn't entirely correct. Odds are that it is. But there is a slight chance that it could actually be deadly. It would depend on where the poles of the star are facing when it explodes. (assuming it hasn't within the last 640 years that is ;) ) If the poles of the star are aligned towards our solar system then there is a possibility that the gamma ray burst that can happen when a star explodes (rare but still a possibility) would be directed at us. And if that happens even our magnetic field protection would not be enough to save us. Such gamma ray bursts from exploding stars have been known to travel millions, even billions, of light years. At that distance its not necessarily deadly. But one in our relative neighborhood like Beetlegeuse is could do the "trick". The fact that Beetlegeuse is around 10-20 times larger than our own sun actually gives it a higher chance of producing such a gamma ray burst.

Another thing to consider is that when such stars go super nova the resulting nebula can actually encompass thousands, even millions, of light years of space. Which means that the resulting nebula which is bound to happen could very well reach our solar system. No idea what kind of impact, if any, that would have on us considering that despite their large sizes they're actually quite diffuse. For all we know we could be in it right now and we might not even know it if that gives you any indication of how diffuse they can be.
 
Kal'Stang said:
Just a note here. Bold: This isn't entirely correct. Odds are that it is. But there is a slight chance that it could actually be deadly. It would depend on where the poles of the star are facing when it explodes. (assuming it hasn't within the last 640 years that is ;) ) If the poles of the star are aligned towards our solar system then there is a possibility that the gamma ray burst that can happen when a star explodes (rare but still a possibility) would be directed at us. And if that happens even our magnetic field protection would not be enough to save us. Such gamma ray bursts from exploding stars have been known to travel millions, even billions, of light years. At that distance its not necessarily deadly. But one in our relative neighborhood like Beetlegeuse is could do the "trick". The fact that Beetlegeuse is around 10-20 times larger than our own sun actually gives it a higher chance of producing such a gamma ray burst.

Another thing to consider is that when such stars go super nova the resulting nebula can actually encompass thousands, even millions, of light years of space. Which means that the resulting nebula which is bound to happen could very well reach our solar system. No idea what kind of impact, if any, that would have on us considering that despite their large sizes they're actually quite diffuse. For all we know we could be in it right now and we might not even know it if that gives you any indication of how diffuse they can be.
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Chances of hitting the lottery would be better. Damn you, now should I ever hit the lottery, I will be thinking about your post. :mrgreen:
 
danarhea said:
Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks.
Click to expand...

554dd3e8b67cade7c86055f105828d4c.jpg
 
danarhea said:
Chances of hitting the lottery would be better. Damn you, now should I ever hit the lottery, I will be thinking about your post. :mrgreen:
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I can see the story now......

Lottery Winner Incinerated By Gamma Ray Burst

The Associated Press
Houston, Texas


Witnesses report cryptic final words.... "What are the odds?.......damn you, Kal Stang"
Incident causes President Trump to issue executive order prohibiting gamma ray bursts.
From the President's twitter feed...............

Donald J. Trump ✔ @realDonaldTrump
This will be remembered as the day the people became the rulers of this universe again.
No longer will supernova explosions steal our wealth and jobs.

61,982 61,982 Retweets 221,910 221,910 likes
 
danarhea said:
Interesting stuff. The star Beetlegeuse is now losing mass, meaning that it is now imploding, and a supernova explosion could happen at any time. If that happens, we will have 2 suns in our sky for a few weeks. The new sun would only be a little brighter than a full moon, but we would be plainly able to see it during the day. And no, don't listen to any naysayers. There would be no mass extinction on earth. We would be showered with harmless neutrinos, and we go about our daily business as usual. When they say that the supernova could happen at any time, it could mean tomorrow, or it could mean as many as 500 years from now. But it's going to happen. I hope it's tomorrow so that I can see this spectacular display before I croak. LOL.
Click to expand...

That only happens in JJ Abrams movies.
 
danarhea said:
Chances of hitting the lottery would be better. Damn you, now should I ever hit the lottery, I will be thinking about your post. :mrgreen:
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Does that mean that I'll get part of the money also since I "helped"? :lamo :mrgreen:
 
Kal'Stang said:
Does that mean that I'll get part of the money also since I "helped"? :lamo :mrgreen:
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Definitely. If I deserve to live in fear, then so do you. LOL.
 
Kal'Stang said:
Just a note here. Bold: This isn't entirely correct. Odds are that it is. But there is a slight chance that it could actually be deadly. It would depend on where the poles of the star are facing when it explodes. (assuming it hasn't within the last 640 years that is ;) ) If the poles of the star are aligned towards our solar system then there is a possibility that the gamma ray burst that can happen when a star explodes (rare but still a possibility) would be directed at us. And if that happens even our magnetic field protection would not be enough to save us. Such gamma ray bursts from exploding stars have been known to travel millions, even billions, of light years. At that distance its not necessarily deadly. But one in our relative neighborhood like Beetlegeuse is could do the "trick". The fact that Beetlegeuse is around 10-20 times larger than our own sun actually gives it a higher chance of producing such a gamma ray burst.

Another thing to consider is that when such stars go super nova the resulting nebula can actually encompass thousands, even millions, of light years of space. Which means that the resulting nebula which is bound to happen could very well reach our solar system. No idea what kind of impact, if any, that would have on us considering that despite their large sizes they're actually quite diffuse. For all we know we could be in it right now and we might not even know it if that gives you any indication of how diffuse they can be.
Click to expand...

Well, the 'shock wave' goes slower than the speed of light, and it would only take about 6 million years to reach us. Then, by that time, it would encounter the sun's magnetic barrier, and wrestle with that, but estimates is that the earth will be totally safe from it. I don't think I will worry about it.
 
SCitizen said:
Very interesting. Does it affect horoscopes?
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The only measurable energy heavenly bodies enact upon you is gravity. A parson standing next to you is imposing more force on you than the moon, and nevermind a distant star.

Horoscopes are fake.

victus qui se victus
 
BlackBook said:
The only measurable energy heavenly bodies enact upon you is gravity. A parson standing next to you is imposing more force on you than the moon, and nevermind a distant star.
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...only if they give you a push.

Horoscopes are fake.

victus qui se victus
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They're not fake. They're just made up! :)
 
Anyone know a really, really good sunscreen?
 
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