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Go to first unread post The Paul Birch Archive
stevebowers., 02-28-2013, 09:23 AM
 0 6,678 02-28-2013, 09:23 AM
Last Post: stevebowers.
    2 6,528 06-22-2020, 02:32 AM
Last Post: Everything4404
   
Go to first unread post Celestia Addons Site?
Drashner1, 12-04-2018, 02:17 PM
 1 6,407 12-05-2018, 08:21 AM
Last Post: stevebowers
   
Go to first unread post Hypertelescopes
Drashner1, 04-01-2013, 03:55 AM
 0 6,078 04-01-2013, 03:55 AM
Last Post: Drashner1
    0 6,014 04-20-2014, 01:01 AM
Last Post: stevebowers
   
Go to first unread post  New Worldbuilding book
Worldtree, 04-03-2013, 02:16 PM
 0 5,648 04-03-2013, 02:16 PM
Last Post: Worldtree
    0 5,455 10-03-2013, 04:50 AM
Last Post: stevebowers
    0 5,371 11-29-2013, 09:40 PM
Last Post: stevebowers
   
Go to first unread post Naming Conventions
lurker_in_the_wire, 02-22-2021, 02:09 AM
 2 5,225 02-22-2021, 03:16 AM
Last Post: lurker_in_the_wire
    0 4,571 10-06-2016, 11:56 AM
Last Post: QwertyYerty
   
Go to first unread post Sky on Earth-like Planets
stevebowers, 12-27-2017, 04:26 AM
 0 4,505 12-27-2017, 04:26 AM
Last Post: stevebowers
   
Go to first unread post Asteroid Database
terrafamilia, 11-20-2017, 07:17 AM
 0 4,371 11-20-2017, 07:17 AM
Last Post: terrafamilia
    3 4,152 10-03-2022, 11:19 AM
Last Post: Worldtree
   
Go to first unread post Artifexian's New Series
Tux1, 07-09-2022, 05:52 AM
 2 4,146 07-10-2022, 06:59 AM
Last Post: Tux1
    0 3,987 05-04-2019, 04:35 PM
Last Post: AstroChara
   
Go to first unread post  Earth Impact Calculator
terrafamilia, 09-21-2021, 10:28 AM
 1 3,470 09-21-2021, 01:12 PM
Last Post: Worldtree
   
Go to first unread post Light sail calculator
Worldtree, 01-29-2023, 07:30 AM
 2 2,657 01-30-2023, 12:37 AM
Last Post: Worldtree
   
2 2,619 03-08-2023, 06:21 AM
Last Post: Cray
    2 2,615 03-09-2023, 07:14 AM
Last Post: stevebowers
   
0 2,302 06-23-2022, 03:03 PM
Last Post: Worldtree


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