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-   -   Saving the earth? (https://www.s2ki.com/forums/s2000-vintage-owners-117/saving-earth-1191335/)

jukngene 01-22-2019 04:19 PM

Saving the earth?
 
In the future, possibly.

windhund116 01-22-2019 04:32 PM

See this article? Power of Nature is a bit more than mere mortals. :)

https://www.space.com/34994-brightes...lack-hole.html

tof 01-22-2019 04:54 PM

If the black holes don't get ya, the gamma ray bursts may.
https://dailygalaxy.com/2019/01/dang...ekend-feature/

Fortunately for us, because of the vastness of space, the likelihood of Earth getting fried by a gamma ray burst or of our solar system getting sucked into a black hole seem to be extremely remote. Now, an asteroid or other large body hitting Earth? That's just a matter of when, not if. Of course that "when" falls somewhere in a span of millions of years. Still, I'm glad to see NASA and others pushing ahead with plans to deal with the greatest threat from space that we can actually do something about.

boltonblue 01-22-2019 05:32 PM

yes we are just pawns in the chess game of life..

I see you petty events and raise you a galaxy eating another galaxy in this case M32 being consumed by Andromeda.
https://www.space.com/41234-milky-wa...andromeda.html

Ah but that was just lunch in 3.2 billions years, the milky way is on the menu for dinner.

Myself, I can't even begin to comprehend the size scale of that sort of event.
even what happens when two solar systems become entwined a deadly dance of death.
never mind galaxies of billions of stars and planets. I'll say on thing, It sure be a happening place.
Any intelligent civilization would know what was to happen for thousands of years with only dread on the table.

tof 01-23-2019 06:18 AM


Originally Posted by boltonblue (Post 24557463)
Any intelligent civilization would know what was to happen for thousands of years with only dread on the table.

Or relocation.

boltonblue 01-23-2019 05:01 PM

where do you go when your galaxy collide with another?
a process that takes a billion years.

tof 01-23-2019 06:03 PM


Originally Posted by boltonblue (Post 24557849)
where do you go when your galaxy collide with another?
a process that takes a billion years.

Wherever you go, you've got plenty of time to get there.

Legal Bill 01-24-2019 05:03 AM


Originally Posted by boltonblue (Post 24557849)
where do you go when your galaxy collide with another?
a process that takes a billion years.

I'd like to think an intelligent civilization with a billion years to spend would try something. But then I look at humans and say "nah."

skunkworks 01-24-2019 07:27 AM

Astronomers have witnessed several significant moon and planetary asteroid strikes within the last few years. Some would have devastated the earth. Yeah, It could certainly could happen here.

Scooterboy 01-24-2019 08:15 AM


Originally Posted by boltonblue (Post 24557849)
where do you go when your galaxy collide with another?
a process that takes a billion years.

Maybe we should build a wall to stop the future collision. :hidebc:

skunkworks 01-24-2019 08:26 AM


Originally Posted by Scooterboy (Post 24558049)
Maybe we should build a wall to stop the future collision. :hidebc:

No, don't think so...It would take billions of dollars to build and would probably be ineffective.

tof 01-24-2019 01:11 PM


Originally Posted by Legal Bill (Post 24557953)
I'd like to think an intelligent civilization with a billion years to spend would try something. But then I look at humans and say "nah."

But you said "intelligent civilization".

tof 01-24-2019 01:14 PM


Originally Posted by skunkworks (Post 24558018)
Astronomers have witnessed several significant moon and planetary asteroid strikes within the last few years. Some would have devastated the earth. Yeah, It could certainly could happen here.

I think most such strikes were on the gas giants and their moons. We have the massive gravity wells of Uranus, Neptune, Saturn, and Jupiter to thank for grabbing most of the debris that tumbles our way, pulled by the gravity of the sun.

tof 01-24-2019 01:15 PM


Originally Posted by skunkworks (Post 24558056)
No, don't think so...It would take billions of dollars to build and would probably be ineffective.

Billions of dollars? We'll get the martians to pay for it.
Ineffective? Then we will build it higher!!!

jukngene 01-24-2019 01:47 PM

Meteor strike on the moon during the total eclipse: https://www.smithsonianmag.com/smart...Q0MjM2MDUxOQS2

trapper 01-25-2019 05:52 AM

Those of you who are interested and have a lot of time on your hands might be interested in this tome:
HAZARDS Due to Comets & Asteroids
T. Gehrels, Editor [with 120 collaborating authors]
Copyright 1994, The University of Arizona Press

I got the book just after it was published. It’s about 1,200 pages long and took me about a year of non-continuous reading to wade through it.

The gist of it is:
1…We will eventually get hit [again] by a “big” asteroid or comet.
2…When and how “big” is unknown.
3…If it’s much bigger than 10 kilometers in diameter, life on earth as we know it, will pretty much be over.
4…Anything over 0.5 kilometers in diameter will cause massive destruction/extinctions depending where it hits [land or sea].
5…If we detect it early enough it can be deflected [notice NOT destroyed]
6…Detection may have to take place many years in advance so we can get to it and mitigate the hazard.
7…Destroying the object is NOT an option. You just create more smaller objects that could cause [in total] more destruction than one big object.
8…Changing the orbit is the only solution.
9…This must happen by either slowing down or speeding up the object in its orbit. This will cause a permanent change in the orbit. The means to do this exist but the best way to do this is up for debate.
10..Deflecting it perpendicular to its orbit [up, down, left, right] is not an option since the object would eventually return to its original path.

That was the thinking in 1994 and I don’t think much has changed.

Zippy 01-25-2019 06:36 AM


Originally Posted by tof (Post 24558189)
Billions of dollars? We'll get the martians to pay for it.
Ineffective? Then we will build it higher!!!

All y'all are killing me. Scoots, skunk, tof :roflmao:

tof 01-25-2019 10:00 AM

It's later than you think...

Over the last few years, astronomers had predicted an impact between our Milky Way and a much-larger neighboring galaxy, the Andromeda galaxy in four to eight billion years. Recent computer modeling has now revealed that the Milky Way may first collide with the Large Magellanic Cloud, a transition galaxy, in just two billion years. So don't buy any green bananas or multi-year magazine subscriptions.

The good news:The sun isn't expected to go supernova for 7 to 8 billion years, when its size will grow to engulf the earth. So if we survive the merger with the Large Magellanic Cloud, we will have plenty of time to stock up on sun screen.

engifineer 01-25-2019 11:30 AM

Clearly if you want to save the earth you need to work for Tesla... because saving the earth is done by doing more work with 7% less people to perform said work

https://www.inc.com/justin-bariso/el...-of-tesla.html


lol


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