Difference between revisions of "Space"
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== Space == | == Space == | ||
See [[Physics#Cosmology]] | See [[Physics#Cosmology]] | ||
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+ | to merge with [[Physics]]? | ||
* https://en.wikipedia.org/wiki/Cosmology | * https://en.wikipedia.org/wiki/Cosmology | ||
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=== Software === | === Software === | ||
* http://www.stellarium.org/ | * http://www.stellarium.org/ | ||
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== Time == | == Time == |
Revision as of 23:57, 5 May 2015
Space
to merge with Physics?
Stars Not Where They Seemed or Were Calculated to be, but Nobody Need Worry.
Earth
Moon
Software
Time
Time zones
Calendar
For accounting: a 5 week month = 5 weeks including a Monday
Clocks
to sort
1h = 3600s 1d = 86400s 1w = 604800s 28d = 2419200s
http://jtnimoy.net/workviewer.php?q=178
Unix epoch
while true; do echo "$(date +%s)" | figlet ; sleep 0.99 ; done
date -u -d @1400000000 gives datetime in UTC