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Old 04-16-2012, 03:07 PM
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Default Video: Must-See Solar Flare Explodes From Sun’s Surface

http://www.wired.com/wiredscience/20...tories+2%29%29

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Old 04-16-2012, 05:20 PM
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I was recently speaking to a co-worker just how improbable life is on other planets. He didn't realize that catastrophic events of all matter could easily prevent life from forming (if it's possible at all on it's own that is).

-The stars are a key factor. It made we wonder if they ran that equation that calculates the chances of life with a given number of stars how few would it amount to with the predominance of Galactic level destructive forces.
-He didn't know how wide spread a Gamma Ray burst from a dying Star could effect. Nor did he know they were as frequent as 3 or four every million years.

-Most don't know that the center our Galaxy is a super-massive black hole that when active (swallowing stars) can sterilize almost the entire Galaxy. Some claim this happened 440 millions ago on Earth with the Ordovician ELE. 85% of Sea life wiped out.

-GRB's are also capable of even more powerful radiation dosages.
-Asteroid impacts
-Neutron Star Mergers
-Solar Flares
-Galactic Cluster Radiation zones where ambient temperatures are extremely high across millions upon millions of Light Years.

IF Earth were considered "ideal" Then Life in a 13 Billion year old universe would have about 3.5 chances per Galaxy, per Earth like Planet, at evolving. However that's extremely optimistic because the universe is only recently in position to support life. But as clusters furthest from the supposed center cool they become candidates But the Galaxies themselves must become more ordered and less dense as well.

Assuming a third of a 160 billion planets in just our Galaxy 50,000,000,000 have the potential for Earth Like conditions with the Galaxy at the correct RADs still has to run a gaunlet of ELE's to survive 4 Billion Years. Each Quadrant of the Galaxy has to survive both GRB's and periods of Sagittarius A activity and Neutron Star pairs with un fixed poles.

Essentially Each Quadrant faces a 1/5 chance of a GRB of some sort every 1 million years. At 10,000 LY developing life is snuffed and existing life is dampened while at 3,500 the Earth like conditions become radioactive. The same is true for every Galaxy. That brings the probability for life down staggeringly low.
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Old 04-16-2012, 06:33 PM
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Quote:
Originally Posted by Saquist View Post
I was recently speaking to a co-worker just how improbable life is on other planets. He didn't realize that catastrophic events of all matter could easily prevent life from forming (if it's possible at all on it's own that is).

-The stars are a key factor. It made we wonder if they ran that equation that calculates the chances of life with a given number of stars how few would it amount to with the predominance of Galactic level destructive forces.
-He didn't know how wide spread a Gamma Ray burst from a dying Star could effect. Nor did he know they were as frequent as 3 or four every million years.

-Most don't know that the center our Galaxy is a super-massive black hole that when active (swallowing stars) can sterilize almost the entire Galaxy. Some claim this happened 440 millions ago on Earth with the Ordovician ELE. 85% of Sea life wiped out.

-GRB's are also capable of even more powerful radiation dosages.
-Asteroid impacts
-Neutron Star Mergers
-Solar Flares
-Galactic Cluster Radiation zones where ambient temperatures are extremely high across millions upon millions of Light Years.

IF Earth were considered "ideal" Then Life in a 13 Billion year old universe would have about 3.5 chances per Galaxy, per Earth like Planet, at evolving. However that's extremely optimistic because the universe is only recently in position to support life. But as clusters furthest from the supposed center cool they become candidates But the Galaxies themselves must become more ordered and less dense as well.

Assuming a third of a 160 billion planets in just our Galaxy 50,000,000,000 have the potential for Earth Like conditions with the Galaxy at the correct RADs still has to run a gaunlet of ELE's to survive 4 Billion Years. Each Quadrant of the Galaxy has to survive both GRB's and periods of Sagittarius A activity and Neutron Star pairs with un fixed poles.

Essentially Each Quadrant faces a 1/5 chance of a GRB of some sort every 1 million years. At 10,000 LY developing life is snuffed and existing life is dampened while at 3,500 the Earth like conditions become radioactive. The same is true for every Galaxy. That brings the probability for life down staggeringly low.
Interesting facts there Saquist!
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Old 04-17-2012, 02:46 PM
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A better video…
http://news.cnet.com/8301-11386_3-57...news&tag=title
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Old 04-17-2012, 03:09 PM
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Real nice. That must have been hundreds of thousands of nuclear equivalents released. Wish you could see in the direction of the release.
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Old 04-17-2012, 03:56 PM
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I wonder what happens to all that matter? Does it escape the Sun's gravity?
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Old 04-17-2012, 05:08 PM
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Absolutely. That was probably 100 times more matter than Earth's own atmosphere. Those are the particles (if it was directed at Earth) that would create our Aurora Borealis. Each planet with a magnetic field has one so those particles are heading right out of the solar system and make up part of the solar wind. That's just under 3,000,000 KPH.
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Old 04-17-2012, 07:04 PM
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Quote:
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Absolutely. That was probably 100 times more matter than Earth's own atmosphere. Those are the particles (if it was directed at Earth) that would create our Aurora Borealis. Each planet with a magnetic field has one so those particles are heading right out of the solar system and make up part of the solar wind. That's just under 3,000,000 KPH.
That's also Interesting.
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Old 04-17-2012, 08:36 PM
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And it would still take 80 days to reach Pluto.
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Old 04-18-2012, 06:07 PM
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Recent yahoo news says that active black holes are not as common as they were a Billion Years ago.
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