Submitted by Gari_305 t3_y1h8fh in Futurology
Dewnami t1_irz6ecn wrote
Reply to comment by CardNGold in NASA says DART mission succeeded in altering asteroid's trajectory by Gari_305
You know this has always bothered me with deflecting asteroids. We are altering the destiny of the universe. Our deflection could very well be the demise of another civilization.
JackD4wkins t1_irzjjqd wrote
This asteroid is locked in orbit around our sun.... it will literally never leave our solar system, and therefore can never threaten a single living thing ever. Hope you can finally stop worrying about this issue now
Bensemus t1_is7q8kl wrote
That's only because you don't understand it at all. Look into the mission properly.
DART smashed into a small asteroid that is orbiting a larger one which is orbiting the Sun. The smaller asteroid's orbit was shrunk from ~12h to ~11.5h. It's still gravitationally bound to the larger asteroid which is still gravitationally bound to the Sun. Nothing was really changed. There was never any danger in drastically altering this asteroids orbit and put it on a collision course with Earth.
Saying we altered the destiny of the universe is beyond egotistical.
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