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Armageddon???

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Tuffty
Jan
fmod Member
2003

Tuffty

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We have all seen the movie Armageddon where they drill into an asteroid heading for Earth and Nuke it etc.

Well NASA has just sent a small rocket towards a space rock called Dimorphos. In the hopes of hitting it with enough force to knock it off course even a tiny fraction. Just to see if it can be done.

You never know when a big rock will head to Earth and NASA have to smash it to bits to save us all......

Full story here:- https://www.bbc.co.uk/news/science-environment-59327293

I just find it interesting it's taken this long to test this out. Should have been done decades ago just to make sure it can be done.

Can't wait to find out if it's worked. Fingers crossed it does as it's a good defence against big rocks heading towards Earth.

Your thoughts???

1 thing that got me was the $325 million doller bill. Thats a lot for a small rock test. Comprehensive Account Security
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24-Nov-2021 13:45:05

Rooh
Jan
fmod Member
2006

Rooh

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It's a huge bill for sure, but worth it for something that could potentially save the planet one day.

I'll be following this story, it's a fascinating thing to attempt.
(edit to add...) must watch that film again soon :P
Who's the cat that won't cop out when there's danger all about?

24-Nov-2021 13:57:12 - Last edited on 24-Nov-2021 13:59:27 by Rooh

Alexander
Dec Member 2013

Alexander

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It definitely is quite a bit of money, but it will be interesting to see how this plays out.

Dimorphos is a really small target, which in this case, is almost like hitting a bullseye on a dart board from 100 m away (probably not, but I would assume that is what it will feel like).

It does excite me a little. If this works, there's a lot to learn from it!
Alexander
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24-Nov-2021 15:51:24

CM Nick

CM Nick

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Oh wow this is really interesting, serves as a really neat pilot project to see if this kind of thing is even possible/feasible in the event that we eventually encounter some... errr... BIGGER problems with space rocks hurtling at us lol.

Also because of this thread, now this song is in my head lol
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24-Nov-2021 20:16:06 - Last edited on 24-Nov-2021 20:21:08 by CM Nick

Tenebri
Jan Member 2015

Tenebri

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the issue with asteroids is we just dont notice them before they hit. only on rare occasions do we actually see them
since 1988 over 1200 asteroids have hit earth (that are a meter or larger) only 5 of them were detected before they hit all of them were detected with less than 24 hours before they hit earth, they are just too small to detect (even the big big big big ones) they just dont stand out enough to see. the vast size of space and just our small solar system they are too small detect.

we also cant see the ones that are between earth and the sun as well there is no light that we can see on them reflecting to earth, this is the opposition effect
^ this is what happened with Chelyabinsk the meteor came from the direction of the sun so we didnt see it at all, till literally a few seconds before it hit, and it was terrible...

i would say that this is the biggest issue for us on earth, we already know asteroids have wiped out life, so statistically speaking this is the thing to worry about if it can happen once it can happen again

so what we need is something like this to actually work and be ready at all times for when ones that are in KM in size not just meters. so when we do see one coming to us and we have less than 24 hours to react, we have something ready waiting.

we have detcted 24k close earth asteroids, these are all orbiting the sun, but the planets gravitational force can change the direction slightly and the slight change can eventually hit earth. and its these gravitational changes that makes the predictions of the paths of meteors impossible for long periods of time


the issue with exploding the meteor, would again be troublesome as if it explodes its not going to explode far enough as gravitational pull would bring them back together (from the earth) thats apparently one of the reasons why this isnt really a good way of doing it.

nonetheless i am curious as to what will happen with this to see, i do love space and learning about it.
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24-Nov-2021 22:38:02

Thunder Jinx
Feb Member 2010

Thunder Jinx

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I wouldn't get my hopes up for this method of saving the planet from asteroids. It sounds too much like shooting a regular arrow at a castle wall.

I don't have the answers, but we need to explore more options.
Darkness rises when silence dies.

25-Nov-2021 08:49:57

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