Quote:
Originally Posted by Baddad
Hi All, 
We don't have a lot of time on our hands. Only a few million years or if all goes well 4 billion years. Average asteroid strike rate is one every 100 million years. (the ones big enough to snuff 90% of life)
We go back 3,000 years Average man did not venture more than 12klms from home in a lifetime.
Back 300 years, 20klms
Back 100 yrs, 50klms No one more than 30,000klms (Space travel)
Back 50yrs, 500klms No one more than 100,000klms.
Back 10yrs, Could this be just the start. Moon landings.
There are so many things that are not understood. In this universe.
It was said many times. "Man would never fly"
A cannon ball will fall faster than a musket ball.
The sun is made of burning coal.
Planes can not fly faster than sound because of the "barrier"
Cheers Marty
Do we now have negative thoughts that man will never reach the stars? |
I think that we have the ability to reach the stars, but not at light speed. That is one I do not believe we will attain. We are already traveling interstellar distances right now with the Voyager probes.
I see where you are coming from, but I feel there is a "wall" that you have not taken into account where light speed is concerned.
Consider drag racing. It was said the 6 second barrier could not be breached. It was. They said the same about the 5 second quarter mile. We now do 4 second passes. Can we do 3? Maybe. 2? All I could say is WOW, 1? Nope. A physical entity with a combustion engine cannot. Less than 1?
Where do you stop?
I do believe Einstein found the "wall" in E=MC2. Many have tried to break the equation over the past 100 years, yet all that has resulted is further validation, and of course, the atomic bomb. I look forward to the results from NASA's LISA Mission, further validating the famous equation.
In the examples you have provided above, someone must have realized that birds are heavier than air, and they fly, also, someone must have realized bullets break the sound barrier, so that is indeed possible. Such astute observations got us around these difficulties. That is why only empirical results are worthy.
Space travel to such distant places as Alpha Centauri is indeed possible. If one could attain .9c time dilation would make many trips quite viable for the occupants, but back home, your relatives might await centuries for your return. Essentially, that makes it a one way trip but theoretically plausible.
Just some thoughts. I like to discuss things
Cheers!