dark matter, missing pieces of the universe, etc...

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Ramblin Man

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So, if the universe is expanding, and they have measuered that at 3/4ths the speed of light in all directions, how can we see objects expanding away from us in the opposite direction? Or can we? They are going 1.5 times the speed of light away from us so I wouldn't think we'd be able to see them at all.

I just hear all of these shows talking about dark matter and how there should be more than they can see and just wonder if they have thought about that.

It also raises the question about traveling faster than light. If object A is moving away from some point at 3/4ths the speed of light and and object B is moving 3/4ths the speed of light in the opposite direction then niether are moving faster than light, but to observers on both objects, both would appear to be speeding away from each other at 1.5 times the speed of light. That means the whole light speed barrier is bullshit because once you are traveling at a certain speed you are stationary as far as you the observer are concerned.

 
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Ya odot, whats your point? :)

My point is that there have been several science channel shows regarding the absense of a signifficant portion of matter that should be making up our universe. There have been others that use einstien to say that going faster than light is impossible because it would take an infinite amount of energy to get you that fast.

But we on earth are traveling through space at some outrageous speed, yet we observe it as being stationary + 155MPH.

I just have some questions about the subject and figured since this is the totally off topic portion of the show that I'd post them here.

 
You posted in the right place. Unfortunately, it's friday and our collective brains are fried. That, and we're idiots. All the other smart ones already went to bed for the evening.

Pass me another beer, donaldb.

 
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It's all done with mirrors. We don't even exist. The Matrix has you. Step out and experience freedom.

"Following the will and wind

we may just go where no one's been"

 
So if there 3/4 the speed of light going in one direction, and another going 3/4 the speed in another, and they collide, does that make a black hole ?

 
Good call dad....break out the hard stuff. Oh, and ramblin....I gave up physics to be a drunk indian.

 
I HAVE to drink beer. No shit. Really. DOCTORS ORDERS.

Yes, this is the dream of some, the reality of me. The Chief of Surgery, UAB, has ordered me to drink beer.

Of course, there's more to the story. I have had 101 Kidney Stones. Thus, the beer. Kidney therapy.

 
Just for general info,the earth rotates at approx 1,000 mph that's why days are a little over 24hrs the circumference of the earth is approx 24,000 miles therefore 24hr days. The 2 bodies traveling AWAY from one another has nothing to do w/ ACTUAL speed. The subject you are refering to falls under Einsteins theory of relativity. If you're doing 120 and the leo that you just blew by is doing 60 should your ticket be for going 180? That is the theory you are postulating. Luckily doppler helped figure this out too, just because your RELATIVE speeds are 1.5 times l/s it doesn't mean light speed travel is actually happening cuz NEITHER of you are traveling above 186,000 miles per second

Does that help, man I'm such a loser :huh: speaking this shit on a friday night :russian_roulette:

 
Just for general info,the earth rotates at approx 1,000 mph that's why days are a little over 24hrs the circumference of the earth is approx 24,000 miles therefore 24hr days. The 2 bodies traveling AWAY from one another has nothing to do w/ ACTUAL speed. The subject you are refering to falls under Einsteins theory of relativity. If you're doing 120 and the leo that you just blew by is doing 60 should your ticket be for going 180? That is the theory you are postulating. Luckily doppler helped figure this out too, just because your RELATIVE speeds are 1.5 times l/s it doesn't mean light speed travel is actually happening cuz NEITHER of you are traveling above 186,000 miles per second

Does that help, man I'm such a loser :huh: speaking this shit on a friday night :russian_roulette:
evilmedic13,

You're not helping my headache.

More Jack Daniel's, please.

 
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