Your You really ought to check yourself in for an indefinate [sic] period.
So, considering the comet that slapped Jupiter silly a few years ago, you feel that there is never, repeat never, going to be a climate changing/species killing asteroid or comet hit the earth in the future when each and every day scientists and astronomers are finding more and more evidence that this has happened over and over again here on Terra Firma--
But you feel... I need to get professional help!
Gadzooks... your total and complete ignorance is only exceeded by your outrageous gall!
If you are around when the big ball of light in the sky hits, I hope you wave at it with the rest of your ilk!
I sufficiently confident that God’s word contains prophecies of all events of such significance that we needn’t worry about such things. Besides, we do have an atmosphere that does a great job of eating such things.
We weren’t created to live in fear.