| Steve Litt on 2 Mar 2017 22:53:52 -0800 |
[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]
| Re: [PLUG] "Nearby" |
On Wed, 22 Feb 2017 15:25:11 -0500 bergman@merctech.com wrote: > In the message dated: Wed, 22 Feb 2017 15:11:00 -0500, > The pithy ruminations from Walt Mankowski on > <Re: [PLUG] "Nearby"> were: > => Sure, given current technology we're not going to get there anytime > => soon, but on the scale of the universe, it's practically next > door. > > If the Apollo 11 crew had headed to those planets instead of the moon, > they'd have gotten there, done their 21.5 hours of exploration and now > they'd be 20% of their way home already. Either you began with a different set of numbers than I, or one of us slipped a decimal point. Lightspeed = 186,000mi/second = 669600000mi/hr Apollo speed = 24,000mi/hr ^^^^^^^^^^^^^^^ https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=fastest+spacecraft&* Lightspeed/Apollospeed = 669600000/24000 = 27900 (constant) Light earth to 40lightyear time = 40 years Apollo to 40lightyear time = 40years * 27900 = 1116000 years SteveT Steve Litt February 2017 featured book: Thriving in Tough Times http://www.troubleshooters.com/thrive ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug