AU (Astronomical Unit(distance from sun and Earth)) more to be learned if (project === COOL ) { Favourite = True ; Love = True ; }
Bibliography: - http://heasarc.gsfc.nasa.gov/docs/cosmic/planets.html - https://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=169 - https://en.wikipedia.org/?title=Galaxy - http://coolcosmos.ipac.caltech.edu/ask/7-How-hot-is-the-Sun- - https://en.wikipedia.org/wiki/Hyades_(star_cluster)
