Multiverse Magazine (http://www.multiversemagazine.com), the online periodical featuring fiction and non-fiction with an emphasis on world-building, offers the spreadsheet tool Planet Factory 1.0 at no charge to readers of its February 2004 issue.
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Featured in the “WorldWrights” column, Planet Factory 1.0 allows users to design realistic stars and the planets that orbit them. It utilizes the latest scientific information and educated conjecture to model such features as stellar luminosity, planetary gravity, temperature, atmospheric composition, and more.
Planet Factory 1.0 is available in both OpenOffice and Microsoft Excel formats, providing wide compatibility with most platforms, including Windows, Linux, and Mac OS X. The free software is released under the popular GNU General Public License, and is Open Source.
The fourth issue of Multiverse Magazine also features fiction from Tobias Seamon, as well as the entire content of the first three issues.
Multiverse Magazine is published monthly.
Parent company MWS Media
PO BOX 402081
Hesperia CA 92340-2081
Matthew Wayne Selznick
"Because doing it yourself doesn't have to mean going it alone!