Aliens from other planets..

On Saturday, March 16, 2019 at 1:51:27 AM UTC-5, The Starmaker wrote:
The Starmaker wrote:

Science fiction.


Scientists like to...imagine things, having fantasies about alien life --

but they are just...imagining things,

they never encountered


Aliens from other planets.


Never.


It's fantasy.

Aliens are no fantasy. And some of them want to eat your lunch!

Aliens are no fantasy. And some of them want to eat your lunch!

Absolutely no possibility of visiting aliens.

See "Deep Space Travel in Perspective" and related threads.

You've got to address the issues clearly before declaring nonsensical
fantasies. Why don't you try it sometime ? !

On Sunday, March 17, 2019 at 7:23:29 AM UTC-5, casagi...wrote:

Aliens are no fantasy. And some of them want to eat your lunch!

Absolutely no possibility of visiting aliens.

See "Deep Space Travel in Perspective" and related threads.

You've got to address the issues clearly before declaring nonsensical
fantasies. Why don't you try it sometime ? !

Your imagined words are not even words.

You should really take my advice.

If you've got a point to make, then present it clearly and back it up
with data and accepted scientific analysis.

NOTE :

( 1 ) distance = speed x time

( 2 ) Max speed for anything is c, and practical space travel speeds
will be tens of thousands of times slower than c. The energy needed to
accelerate any matter to a speed approaching c is demonstrably
infinite. All this is confirmed physics.

( 3 ) Even if you could travel at c, travel times would still be
prohibitively great.

( 4 ) The absolute impractibility of deep spave travel, is clearly
confirmed by the inarguable fact, that we've never been visited by any
space faring aliens, even though such aliens are likely to exist
throughout the universe.

Which of these don't you understand ? !

On Sunday, March 17, 2019 at 3:01:54 PM UTC-7, wrote:

( 3 ) Even if you could travel at c, travel times would still be
prohibitively great.

Well, everything you have said is correct. However, this particular statement is somewhat ambiguous. For those of us left behind on Earth, watching a rocket ship traveling at c to the nearest star, for example, and ignoring the acceleration and deceleration portions of the trip, it would take that ship 4 years to get there. For the crew of that ship, however, the travel time would be zero. Traveling at c you can get to any place in the entire universe in zero elapsed time. So says the Lorenz Transformations... pretty weird, but that's what the math tells us.

Of course, traveling at c is impossible, so this is all just a fun exercise.

( 3 ) Even if you could travel at c, travel times would still be
prohibitively great.

Well, everything you have said is correct. However, this particular statement is somewhat ambiguous. For those of us left behind on Earth, watching a rocket ship traveling at c to the nearest star, for example, and ignoring the acceleration and deceleration portions of the trip, it would take that ship 4 years to get there. For the crew of that ship, however, the travel time would be zero. Traveling at c you can get to any place in the entire universe in zero elapsed time. So says the Lorenz Transformations... pretty weird, but that's what the math tells us.

Of course, traveling at c is impossible, so this is all just a fun exercise.

I'm no expert with Lorenz transforms, BUT the notion that one could
travel anywhere in 0 perceived time is obviously ridiculous.

I suppose it must have something to do with travelling at c which is a
vast distortion of reality.