I often refer to my "Readers Digest" map of the universe.
..and in doing so is it possible to comprehend the ENORMOUS distances involved.
The distances in "Light years", calculated in "recogniseable" time and "recogniseable" speed is more than the average human brain can comprehend....

...!
..and for that reason I don't think that many people realise quite what is involved in so called "SpaceTravel".
Me...?
Together with Patrick Moore, I think I do...!
LOL...!
Cheers...

...!
Paul.
(England)
P.S. I've always been fascinated with Voyager1's trip in space, I'm just very glad that I'm not on it...

...!
Win 8.1 64-bit. DX11. Advent Tower. Intel i7-3770 3.9 GHz 8-core. 8 GB System RAM. AMD Radeon HD 7700 1GB RAM. DVD ROM. 2 Terra Byte SATA Hard Drive. Philips 17" LCD Monitor. Saitek Cyborg X Fly-5 Joystick. ...and a Briggs and Stratton Petrol Lawn Mower.