Nightfall 1.38 Description:
Astronomy application for fun, education, and science. Nightfall is an astronomy application for fun, education, and science. It can produce animated views of eclipsing binary stars, calculate synthetic lightcurves and radial velocity curves, and eventually determine the best-fit model for a given set of observational data of an eclipsing binary star system.
This program gives you all the features you need to create basic- to intermediate-level vector graphics, including bezier curves, lines, rulers, and m (Not Specified)