Every now and then an "A rare astronomical event occured in the sky" happens. When I click Observe I get a starchart.
One of the things I can use them for is trade ships.
Is that(astronomical event) the only way to obtain starcharts?
Every now and then an "A rare astronomical event occured in the sky" happens. When I click Observe I get a starchart.
One of the things I can use them for is trade ships.
Is that(astronomical event) the only way to obtain starcharts?
According to the wiki: yes.
starchart - found by observing rare astronomical events after researching Astronomy tech
According to the code (of this version (0.9.6.9): yes. There is no other mention of starcharts, only in the workshop (as required researching resource) and the astronomical events. Note that the observatories can auto-observe these events, and therefor you can end up with a lot of charts if you let the game running overnight.
New information (sourced fromwiki page)
Starcharts are produced by:
Get more by building Observatories, Research Vessels, Space Beacons, launching satellites or from kitten Scholars with the Astrophysicists upgrade.
ver 1.4.4.2