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| Started by | Sam Wormley <swormley1@gmail.com> |
|---|---|
| First post | 2016-04-14 19:07 -0500 |
| Last post | 2016-04-15 16:40 -0700 |
| Articles | 4 — 4 participants |
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Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles Sam Wormley <swormley1@gmail.com> - 2016-04-14 19:07 -0500
Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles HVAC <mr.hvac@gmail.com> - 2016-04-14 17:21 -0700
Re: Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles jimp@specsol.spam.sux.com - 2016-04-15 00:36 +0000
Re: Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles Double-A <double-a3@hush.com> - 2016-04-15 16:40 -0700
| From | Sam Wormley <swormley1@gmail.com> |
|---|---|
| Date | 2016-04-14 19:07 -0500 |
| Subject | Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles |
| Message-ID | <TP-dnbjsifw5rY3KnZ2dnUU7-L8AAAAA@giganews.com> |
Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles > http://www.npr.org/sections/thetwo-way/2016/04/14/474227319/stephen-hawkings-plan-for-interstellar-travel-has-some-earthly-obstacles > Houston, We Had A Problem ... Last Year > > Once the hundreds or thousands of probes leave our solar system, they > would be on their own in more ways than one. Physics dictates that > communications between Earth and the probes can't happen faster than > the speed of light. That means if one of the probes runs into trouble > a light year into its journey, then it will take a year for its > distress call to reach home. It will take another year for mission > control's instructions to reach the little craft. > > It's safe to say that in the two years it takes to get help, the > probe will have either fixed itself or died. -- sci.physics is an unmoderated newsgroup dedicated to the discussion of physics, news from the physics community, and physics-related social issues.
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| From | HVAC <mr.hvac@gmail.com> |
|---|---|
| Date | 2016-04-14 17:21 -0700 |
| Message-ID | <07d043cc-bff3-4e0d-abae-ab00e1663607@googlegroups.com> |
| In reply to | #570585 |
Sam Wormley Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles > http://www.npr.org/sections/thetwo-way/2016/04/14/474227319/stephen-hawkings-plan-for-interstellar-travel-has-some-earthly-obstacles > Houston, We Had A Problem ... Last Year > > Once the hundreds or thousands of probes leave our solar system, they > would be on their own in more ways than one. Physics dictates that > communications between Earth and the probes can't happen faster than > the speed of light. That means if one of the probes runs into trouble > a light year into its journey, then it will take a year for its > distress call to reach home. It will take another year for mission > control's instructions to reach the little craft. > > It's safe to say that in the two years it takes to get help, the > probe will have either fixed itself or died. ------------ Well, that's why you send 1000
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| From | jimp@specsol.spam.sux.com |
|---|---|
| Date | 2016-04-15 00:36 +0000 |
| Message-ID | <ulp5uc-816.ln1@mail.specsol.com> |
| In reply to | #570585 |
Sam Wormley <swormley1@gmail.com> wrote: > Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles >> http://www.npr.org/sections/thetwo-way/2016/04/14/474227319/stephen-hawkings-plan-for-interstellar-travel-has-some-earthly-obstacles > > >> Houston, We Had A Problem ... Last Year >> >> Once the hundreds or thousands of probes leave our solar system, they >> would be on their own in more ways than one. Physics dictates that >> communications between Earth and the probes can't happen faster than >> the speed of light. That means if one of the probes runs into trouble >> a light year into its journey, then it will take a year for its >> distress call to reach home. It will take another year for mission >> control's instructions to reach the little craft. >> >> It's safe to say that in the two years it takes to get help, the >> probe will have either fixed itself or died. Assuming you have an antenna large enough to get any signal back, which so far is not in evidence. And it also means it is pointless to send any commands at all after a certain distance. -- Jim Pennino
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| From | Double-A <double-a3@hush.com> |
|---|---|
| Date | 2016-04-15 16:40 -0700 |
| Message-ID | <070defe5-c661-49e6-80bb-0e7f050410f8@googlegroups.com> |
| In reply to | #570585 |
On Thursday, April 14, 2016 at 5:07:03 PM UTC-7, Sam Wormley wrote: > Stephen Hawking's Plan For Interstellar Travel Has Some Earthly Obstacles > > http://www.npr.org/sections/thetwo-way/2016/04/14/474227319/stephen-hawkings-plan-for-interstellar-travel-has-some-earthly-obstacles > > > > Houston, We Had A Problem ... Last Year > > > > Once the hundreds or thousands of probes leave our solar system, they > > would be on their own in more ways than one. Physics dictates that > > communications between Earth and the probes can't happen faster than > > the speed of light. That means if one of the probes runs into trouble > > a light year into its journey, then it will take a year for its > > distress call to reach home. It will take another year for mission > > control's instructions to reach the little craft. > > > > It's safe to say that in the two years it takes to get help, the > > probe will have either fixed itself or died. That's why they would need to have some remote viewers on board to communicate instantly telepathically with Earth. I'm sure Hawking must already have all this worked out in his mind. Double-A
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