4 ms·
It's a web site but it has a number of simulations of various astronomy topics and is very well done. It's labeled as being introductory but, depending upon the
by sizzzzlerz 12y ago
It's a web site but it has a number of simulations of various astronomy topics and is very well done. It's labeled as being introductory but, depending upon the ages of your children, it might still be too advanced.
http://astro.unl.edu/naap/ http://astro.unl.edu/naap/