i found this interesting page , there are a lot of stuff about binary stars , and also a free simulator.

http://www.midnightkite.com/index.aspx?URL=Binary

Links to pdf/xls are dead...

SpaceEngineer wrote:

Source of the post Links to pdf/xls are dead...

No, they worked for me. Must be a server thing.

SpaceEngineer wrote:

Links to pdf/xls are dead...

also for me they work fine , another thing , maybe i was wrong the forum section , can we move this topic in science and astronomy discussion ? thanks

Irolokirt wrote:

Source of the post can we move this topic in science and astronomy discussion ? thanks

Done.