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Old 2016-10-05, 00:52   #584
Dubslow
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How's this for a headline: Boeing CEO Vows to Beat Musk to Mars

https://www.bloomberg.com/news/artic...e-race-beckons

Quote:
β€œI’m convinced the first person to step foot on Mars will arrive there riding a Boeing rocket,” Muilenburg said at the Chicago event on innovation, which was sponsored by the Atlantic magazine.

Last fiddled with by Dubslow on 2016-10-05 at 00:55
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Old 2016-10-05, 07:09   #585
LaurV
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Quote:
Originally Posted by Dubslow View Post
How's this for a headline: Boeing CEO Vows to Beat Musk to Mars
Competition is always good. I don't really care whose rocket is, if it can bring me there safely... One thing I can not stand, tho... The 12 minutes delay on the internet link when I will access mersenneforum from Mars...
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Old 2016-10-05, 07:53   #586
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Quote:
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The 12 minutes delay on the internet link when I will access mersenneforum from Mars...
It can be as low as ~six minutes round trip time. Stop complaining.
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Old 2016-10-05, 07:53   #587
Dubslow
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Quote:
Originally Posted by retina View Post
It can be as low as ~six minutes round trip time. Stop complaining.
Or as high as 45! And if you account for going around the Sun, more than an hour!

Last fiddled with by Dubslow on 2016-10-05 at 08:01
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Old 2016-10-05, 09:01   #588
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Haha, you guys!
( I accept I didn't look for the real values, just that the number "12" was stuck to my brain from some early movies and articles I read on the web following all this Mars fashion show, so not sure I remembered the right value)
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Old 2016-10-19, 09:39   #589
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The European Space Agency hopes to land a craft on Mars today.
The current prediction is that it will land at 1428 GMT (Earth time - I don't know what time that is on Mars).

http://www.esa.int/Our_Activities/Sp...al_and_landing

http://www.esa.int/Our_Activities/Sp...al_and_landing
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Old 2016-10-19, 11:52   #590
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Quote:
Originally Posted by LaurV View Post
Haha, you guys!
( I accept I didn't look for the real values, just that the number "12" was stuck to my brain from some early movies and articles I read on the web following all this Mars fashion show, so not sure I remembered the right value)
12 minutes is the semi-major axis of Mars's orbit divided by the speed of light, so the average time it takes for light to get from the Sun to Mars.

https://arxiv.org/pdf/1610.05750 is quite fun - demonstrating that, with the naked eye assisted by a cross-staff made of two rulers one sliding on the other, you can measure angular distances to an accuracy of 0.2 degrees which is more than enough to demonstrate that Mars's orbit is elliptical.

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Old 2016-10-19, 17:16   #591
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Not looking good right now. but there's still hope.

Last fiddled with by xilman on 2016-10-19 at 18:09
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Old 2016-10-19, 18:07   #592
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Quote:
Originally Posted by xilman View Post
Not looking good right now. but there's still hope.
Please check and fix your url.
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Old 2016-10-19, 18:09   #593
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Originally Posted by Uncwilly View Post
Please check and fix your url.
Thanks. Seems to work for me now. Cut and paste must have gone wrong
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Old 2016-10-20, 17:55   #594
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Quote:
Originally Posted by xilman View Post
Not looking good right now. but there's still hope.
She's dead, Jim.
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