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(io9)   What would happen if the sun vanished?   ( divider line
    More: Cool, reflected light  
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6457 clicks; posted to Geek » on 01 Apr 2013 at 4:22 AM (5 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

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2013-04-01 05:57:59 AM  
3 votes:
We wouldn't have to worry about daylight saving time?
2013-04-01 09:47:22 AM  
2 votes:
2013-04-01 05:40:18 AM  
2 votes:

Ed Grubermann: Benevolent Misanthrope: How long would it take for the earth to cool to a temperature that would not support life, though?
Billions of years. The interior of the earth is not warmed by the sun.

and the exterior of the earth is not warmed by the interior. 
Sure some hot spots would still exist, but the a huge majority of the earths surface would be unlivable in a much shorter amount of time than that. I'm guessing more like days or weeks.
2013-03-31 11:43:36 PM  
2 votes:
It'd be dark and stuff.
2013-04-01 06:58:15 PM  
1 vote:
Since the article acknowledges that the gravitation front will travel outward at a finite speed, it is strange that it doesn't also mention the earth would be torn apart b the tidal forces.   All the speculation in this thread about how long heat would last etc is pointless.

As the gravitational effect passes through the diameter of the earth there will be roughl 42 milliseconds where part of the earth is travelling along the orbital trajector, and part is traveling along a straight tangent.  (Large parts of the earth would be travelling in two different directions.)   The amount of force this would exert on all parts of the earth would be about the same magnitude as being impacted b a planet sized object.  And these forces would be exerted on all parts of the earth, inside and out (instead of on just one side).

M best semi-educated guess is that what used to be earth would be absolutel sterilized, down to the last subterranean microbe, within 42 milliseconds (give or take a few milliseconds) of the wavefront reaching the sunward side.
2013-04-01 12:31:35 PM  
1 vote:
I have yet to watch it, but I love v-sauce.  Yeah he's a big dork, even annoying at times, but he grows on ya.

He's also wrong on occasion but a lot of that is oversight because his videos are pumped out so fast he just takes idea's and runs with them. I would like to see him come out with re-visits of some of his more questionable work, but i get the impression once he posts it he promptly forgets about it altogether.

I think some of the hate comes from people who can't keep with his typical pacing.  He's a good ADD generation teacher, but loses some slow and steady types as well as people who are judgmental of personality.

Between him and ViHart, a person can fill quite a lot of time, I'd say waste, but if it's stimulating the mind it's never really a waste.

/laid up with a broken foot
//have lots of time to fill
2013-04-01 10:23:04 AM  
1 vote:
It seems to me that there would be about a 50/50 chance that our Moon would end up crashing into Earth at some point if the Earth was gravitationally let go from its orbit around the Sun. If the Moon was behind the Earth, then it seems like it would fly off on its own. If the Moon was ahead of the Earth when the Earth went off tangentially, then it seems like the Moon would end up running into the Earth.
2013-04-01 10:16:57 AM  
1 vote:

namatad: qorkfiend: Lord Dimwit: It would be weird that the night would then be brighter than the "day" thanks to the Moon.


Since the moon reflects the sun, if the sun vanishes, the moon will also cease to shine.

what was being referred to was that the moon would effectively block "some" starlight. causing it to be brighter when the moonset rather than the current brighter at night with the moon in the sky....

I don't think so.

In any case, the moon would not block an appreciable amount of starlight, certainly not enough to draw a day vs. night distinction.
2013-04-01 10:08:36 AM  
1 vote:

Lord Dimwit: It would be weird that the night would then be brighter than the "day" thanks to the Moon.


Since the moon reflects the sun, if the sun vanishes, the moon will also cease to shine.
2013-04-01 09:54:43 AM  
1 vote:
2013-04-01 07:43:04 AM  
1 vote:
Superman would be a giant pussy?
2013-04-01 01:15:18 AM  
1 vote:

Lsherm:  Anyone with self-sufficient power and water who was well isolated from the rest of the world (rural) would last until the food ran out,

I would bet the food would still be there once Earth's surface reached ambient background temperature of 0.^A Kelvin. Only ones likely to survive much beyond a few days would be those in nuclear subs.
2013-04-01 12:12:59 AM  
1 vote:
Goddam, that guy's annoying. Couldn't stand it past 2 minutes.
2013-03-31 11:56:09 PM  
1 vote:
We'd all be dead in hours or days. Those idiot preppers would be first.
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