Some facts of the Universe
Some facts of the Universe
People have always been studying the facts of the origin of the Universe. As far as we know, the universe is the whole existing world unlimited in time and space and various in forms that matter in its development is organized. The Universe that is studied by astronomy is a part of material world, which is available to the investigation by the usage of astronomical means, like telescopes, microscopes and so on. That is to say, those means should exist in our modern world and they should be absolutely of high quality. This part of the universe is often called Mata galaxies. It exists in various shapes and sizes – spiral, elliptical or irregular. For example, the Milky Way is of spiral type. The Milky Way is known to astronomers as the Galaxy. Clicking the computer button is not enough to find oneself in a different world. Astronomers are attracted by Mars most of all. The planet Mars is in the greatest interest with experts. The distance between the planet Mars and the Sun equals 1,5 a.u.; it has two natural satellites – Fobs and Daimios. Its surface is covered with craters and resembles the moon continent. The planet Mars, called the red planet, is quite different from the other planets. Each planet presents itself in a suitable position for study every year, or at intervals of about every twelve months. As for Mars, it presents itself for study at intervals of about two years and two months (780 days). It is amazing that it takes 678 of our days to complete one revolution about the sun. Clicking the computer button and fly to Mars is very exciting.