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[CSM] Runaway planets ejected from galaxy at insane speeds - Page 3

post #21 of 98
We need quantum entanglement communication devices, and warp (Alcubierre) drives.
    
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post #22 of 98
According to theory objects with mass that approach speed of light will increase in mass.
But according to theory its also impossible to travel at or above speed of light when something has mass.
For an object to travel at the speed of light it would either need "infinite energy and finite acceleration" or "finite energy and infinite acceleration" where both would need an infinite amount of energy.
    
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post #23 of 98
Quote:
Originally Posted by HybridCore View Post

I think it can go either way. Isn't light mass-less and if there's more mass, the larger the potential (and kinetic) energy can be stored?

Mass increases as speed increases. It's mass = m(rest)/sqrt(1-(v/c)^2). Light is mass-less and doesn't really behave like a regular particle.
post #24 of 98
whats intresting is... if these stars travel at such a high velocity their mass is bond to effect the orbit of stars like our own (the sun)./... (just a thought)
post #25 of 98
Thread Starter 
Quote:
Originally Posted by Tippy View Post

Long-distance space travel? You can't get anywhere at mere fractions of light speed. Even AT light speed it would take over 4 years to just to reach our closest neighboring star - and yes, I know that for the traveler the 4 years would seem far shorter (instant if he/she was traveling at light speed) but the people on earth would still be waiting for over a decade till they hear anything back from the traveler. Radio waves are pathetically slow (and weak) and transferring information at light-speed would still take years.
The fact remains that until we discover some kind of a MIRACLE way to completely bypass light's restrictive snail-paced speeds (wormholes or whatever), mankind won't even be able to take a true photo of our own galaxy from the outside. The Milky Way is approx 1K lightyears thick and 100K lightyears wide, our race would have to survive for several millennia to develop such technologies and reach such distances - and for what reason exactly? Pointless tongue.gif

This is true. Communication back to Earth is the main thing. Cryogenics are probably our best hope in reaching another planet that can sustain human life. Earth would be gone for thousands of years even if we could get close to light speed, or millions of years if we couldn't. It's not pointless tongue.gif What if your brain memories could be scanned with this: http://www.extremetech.com/extreme/123485-mit-discovers-the-location-of-memories-individual-neurons Your body could be re-grown in a tank and your old memories encoded into a blank-slate mind biggrin.gif Or everyone who can afford it is sent into a ship with cryogenics like pandorum: http://www.youtube.com/watch?v=yMEhkTxs3_E



By the way, have you all heard of Kepler 22-b? It's a few months old news, but I was excited when I first heard about it. It's a planet in the "habitable zone". Meaning it could sustain life.

http://www.nasa.gov/mission_pages/kepler/news/kepscicon-briefing.html

http://en.wikipedia.org/wiki/Kepler-22b
Edited by Kappy03 - 3/26/12 at 4:48am
post #26 of 98
Interesting read. At 2.4x size of Earth that's one huge piece of rock! But 600 lightyears...so far away...
post #27 of 98
Quote:
Originally Posted by Sisaroth View Post

mass increases because the added energy cant be converted into additional speed because it is already at max speed (light speed). Its also what happens in the LHC with the accelerated protons.

Thats working under the assumption that nothing can travel faster than the speed of light.
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post #28 of 98
Quote:
Originally Posted by nicedart View Post

Thats working under the assumption that nothing can travel faster than the speed of light.

Why would we assume otherwise? Are you throwing einsteins theory of relativity out of the window??? tongue.gif
    
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post #29 of 98
Thread Starter 
Quote:
Originally Posted by Tippy View Post

Interesting read. At 2.4x size of Earth that's one huge piece of rock! But 600 lightyears...so far away...

600 light years is so close! Relatively of course. biggrin.gif
post #30 of 98
Quote:
Originally Posted by Stuuut View Post

Why would we assume otherwise? Are you throwing einsteins theory of relativity out of the window??? tongue.gif

Yes because Einsteins theory is just that... a theory. We already have sub atomic particles that supossedly broke the speed of light. The ICARUS team are currently retesting it because the second test failed to break the speed of light. While I don't think we posses the knowledge, there is so little that is know about the universe its not even funny. I think its a matter of time before Einsteins theory is replaced.

http://www.scientificamerican.com/article.cfm?id=particles-found-to-travel
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