Astronomers find planet potentially capable of supporting life
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re: Astronomers find planet potentially capable of supporting life
Posted by JawjaTigah on 4/28 at 11:43 am to GregMaddux
quote:

I'm moving there if Obama gets reelected



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Posted by Dodd on 4/28 at 12:24 pm to JombieZombie
fire up the FTL drive, prepare for jump


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Posted by siliconvalleytiger on 4/28 at 12:37 pm to baytiger
We really need to invent warp capability.


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Posted by DA on 4/28 at 12:38 pm to Cruiserhog
quote:

where do you guys get your education....22 light years is 22 years @ the speed of light or the distance a photon of light travels in the length of time equal to 22 years. out of what arse did you pull 1.54 days.


I believe this is correct. Speed of light is 186,000 miles per second. It would take 22 years to the occupants of the ship.



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Posted by the only dirt mcgirt on 4/28 at 1:15 pm to DA
If traveling at a constant acceleration of 1G, it would only take 6 years and a few months to cover 22 light years, from the ship's reference. If on a round trip, the astronauts would arrive back in our system having aged only 12-13 years but would find 44 years have passed on Earth.


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Posted by LSU=Champions on 4/28 at 1:26 pm to the only dirt mcgirt
I'm so fricking confused....


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Posted by SundayFunday on 4/28 at 1:29 pm to the only dirt mcgirt
quote:

If traveling at a constant acceleration of 1G, it would only take 6 years and a few months to cover 22 light years, from the ship's reference. If on a round trip, the astronauts would arrive back in our system having aged only 12-13 years but would find 44 years have passed on Earth.



This basically correct. Dont worry if you dont understand why but this has alot to do with relativity.



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Posted by the only dirt mcgirt on 4/28 at 1:43 pm to LSU=Champions
quote:

I'm so fricking confused....
Me too--I'll let Carl Sagan explain it: LINK


This post was edited on 4/28 at 1:46 pm

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Posted by Drew Orleans on 4/28 at 2:11 pm to the only dirt mcgirt
I was assuming a constant speed (going from zero to "c") in a split second and continuing to travel at that speed until they got there. I know they would have to slowly accelerate to the speed of light though.


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Posted by CNB on 4/28 at 5:19 pm to Drew Orleans
quote:

New 'life in space' hope after billions of 'habitable planets' found in Milky Way


Am I reading this right?



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Posted by bobbyray21 on 4/29 at 5:04 pm to ToesOnTheNose213
quote:

E=mc^2


The C is a constant. It's a mass-energy equivalence. It doesn't support the statement.



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Posted by LSUsuperfresh on 4/29 at 6:08 pm to the only dirt mcgirt
You would have to double that time in order to actually stop at the planet though, correct?


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Posted by the only dirt mcgirt on 4/29 at 9:38 pm to LSUsuperfresh
No, that travel time includes deceleration.

ETA: i didn't do the math myself, i used an online calculator LINK


This post was edited on 4/29 at 9:40 pm

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Posted by Analyze That on 4/29 at 9:53 pm to baytiger
To people who don't know what lightyears means:

A lightyear is the distance light travels in one earth year, i.e. 186,000 miles per second for a grand total distance of 5.67648^12 miles.

Second of all the people who would be traveling at such speeds would experience time dilation, thus creating the perception that time was moving slower than it actually was, though, on a biological scale this would be true and the bodies would age only a number of years perhaps



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Posted by Drew Orleans on 4/29 at 9:59 pm to Analyze That
Thank you. That other smart arse was thinking he was right and everyone else was retarded.


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Posted by Jim Rockford on 4/29 at 10:01 pm to baytiger



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Posted by MikeD on 4/29 at 10:04 pm to Analyze That
Has anyone ever done testing on the aging effect on living cells experiencing high speeds that would cause slowing of time? Do they age slower on the relative time or the time they are experiencing?


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Posted by Drew Orleans on 4/29 at 10:05 pm to MikeD
They do it with atoms and their half lives are extended beyond what it should be.


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Posted by ksayetiger on 4/29 at 10:08 pm to Drew Orleans
quote:

They do it with atom


What's his last name?



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Posted by Drew Orleans on 4/29 at 10:11 pm to ksayetiger
Baum


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