Marble is a virtual globe and world atlas — your swiss army knife for maps that you can use to learn more about the Earth and other planets. …දිගටම කියවන්නකිරිගරුඬ
KStars is a Desktop Planetarium by KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. …දිගටම කියවන්නKStars