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@gt_tdi | 23 September 17 | |
You've made it sound so lovely, Jon.
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@obi_jon | 23 September 17 | |
No point in sugar coating it is there. If it ever happens, we're fucked. Luckily, it's unlikely to happen in any of our lifetimes, at least from any of the known potentially hazardous objects, unless of course they're keeping any of them secret or a big one manages to sneak up on us undetected. Non of us will still be around in 2135 to see if Bennu is nudged into a collision course by earth's gravity or not. Some of us might still be here in 2029 though, when earth will have an extremely close encounter with another potential 'planet killer' called Apothis. It's due to pass somewhere in the region of 10,000km from earth, give or take a couple of thousand km. Which is a mere gnat's cock hair in astronomical distance terms.
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@sisfreak2017 | 23 September 17 | |
i think its more when than if it will happen myself i like the cold
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@obi_jon | 24 September 17 | |
You're quite right, it is indeed a case of when it happens, not if it happens. Major impacts have happened before and will happen again, eventually. In fact, if the dates we have for known impact events in earth's history are correct, we are actually overdue for one. This image depicts most of the 1800 or so potentially hazardous near earth objects with earth crossing orbits that we know and keep track of(more are being found all the time) in the solar system. The fact that non of them have hit us yet and as far as can be calculated, non of them are predicted to do so any time soon, is pretty remarkable. |
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@obi_jon | 24 September 17 | |
You're quite right, it is indeed a case of when it happens, not if it happens. Major impacts have happened before and will happen again, eventually. In fact, if the dates we have for known impact events in earth's history are correct, we are actually overdue for one. This image depicts most of the 1800 or so potentially hazardous near earth objects with earth crossing orbits that we know and keep track of(more are being found all the time) in the solar system. The fact that non of them have hit us yet and as far as can be calculated, non of them are predicted to do so any time soon, is pretty remarkable. |
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@endemic | 24 September 17 | |
We need a science topic.
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@dan27notts | 25 September 17 | |
@ obi_jon - 24.09.17 - 02:26pm You're quite right, it is indeed a case of when it happens, not if it happens. Major impacts have happened before and will happen again, eventually. In fact, if the dates we have for known impact events in earth's history are correct, we are actually overdue for one. This image depicts most of the 1800 or so potentially hazardous near earth objects with earth crossing orbits that we know and keep track of(more are being found all the time) in the solar system. The fact that non of them have hit us yet and as far as can be calculated, non of them are predicted to do so any time soon, is pretty remarkable. Please let it be soon |
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@sisfreak2017 | 25 September 17 | |
yes i hope its soon aswell
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@obi_jon | 25 September 17 | |
@ endemic - 24.09.17 - 10:44pm We need a science topic. This is it. There was once talk of a science forum being created and this topic was declared as the de-facto science topic until such a forum was added. Unfortunately, that was several years ago now and nothing to that end has materialised, as yet. |
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@obi_jon | 25 September 17 | |
@ dan27notts - 25.09.17 - 12:10am Please let it be soon How soon are you hoping for, and why exactly? Personally, i'd be pretty pissed off if it happened tomorrow, or at any point in my lifetime really. I think we need to consider these matters much more seriously, no matter how unlikely the current possibility or unlikelyhood of such an event. Even though astronomers are doing their to best spot and monitor potentially hazardous objects, it is still perfectly possible for us to miss them, as the one that exploded over Russia a few years ago proved.Nobody knew about or saw that one coming before it hit the earths atmosphere. Even though that was a relatively small one, it was still of a detectable size and could have done a hell of a lot more damage if it had been made up of different materials and/or had hit the ground instead of exploding before impact. We have managed to spot plenty of similar or smaller sized objects than that one... but it only takes one to get through that does some damage. It might be good for a little one to hit us, just big enough to focus our attention on how vulnerable we are as a species. |
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