Create a galaxy game

Double-click any node that has children to move its children with it its outline will turn red. Double-click it again to move it on its own. Your chosen tree will need a bit of adjusting to make it fit the board nicely. Click and drag the circles nodes around until you're happy. Then select the species you want for each branch of the tree and the cards. Click on the little dark selection buttons to select a species and its photo. Don't worry if the text goes over the selection buttons — the buttons won't print out on your board.

This setting decides how much of that hot gas is thrown back out into the galaxy when this happens. Low mass stars have very long lifetimes. They hang around forever and don't really do anything interesting. Medium mass stars, like the Sun, have medium lifetimes and make up a reasonable amount of the stellar population.

High mass stars have a very short lifetime. They burn all of their fuel really quickly and then explode in a supernova! Too many of these and your galaxies will blow themselves apart. Sign in. Community Policy. Related Digital Trends. You want tablets that come from a trusted brand, with reliable products that can withstand the wear and tear of daily use.

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