Comets: the oldest inhabitants of the Solar system
J. L. Lagrange (1813) was also based on firmly established facts – the presence of comets that definitely move in elliptical orbits, including short-period. He explained the origin of comets gigantic volcanic explosions – emissions (eruption) with giant planets. It is, in principle, could explain the nature of the orbits of short-period comets. Subsequently, the views of La Grange shared and developed a number of scientists, among which the most important contribution of the Soviet astronomer S. K. Bo, who worked in this direction with the 20-ies to 80-ies of our century. He has eliminated the biggest internal difficulty is the concept of Lagrange – the necessity of the ejection of cometary masses (nuclei) with the “surface” of the giant planets with their powerful gravity fields, the overcoming of which requires an initial speed of 60 km/s and more. Giant planets also have thick (the length of many thousands of miles) and very dense atmosphere, in the middle of the twentieth century has been very problematic the very existence of a solid surface planets – giants beneath these atmospheres. Continue reading
The earth is the home of humankind. Can be considered and the Solar system. After all, we already went to the moon, our spacecraft has reached other planets. It would seem that about the area of Land we need to know everything.
Actually mankind for decades trying to unravel such close and such mysterious phenomena. Describe below of the top ten mysteries of the Solar system.
The Oort Cloud. The main issue regarding this site is that whether there is any? This is perhaps the chief mystery of our Solar system. Scientists have suggested the existence of clouds only hypothetically, but this piece of the Universe no one has seen. The theories then formed comets with long orbital period. Scientists can only assume that the Oort cloud is at a distance of 50-100 thousand.e. from the Sun. The bounds of this object lying on the very edge of the Solar system. The billions of bodies are from the cloud is bound by gravity to the Sun. Continue reading
Solar system — the planetary system that includes a Central star — the Sun — and all the natural space objects orbiting the Sun. It was formed by gravitational contraction of the dust cloud around is 4.57 billion years ago. Note: the sun is not a planet.
Planets of the solar system in order:
Click on the button above. to start an interactive 3D map of the planets of the solar system (opens in new window)
Pluto is the decision of the MAC (international Astronomical Union) no longer applies to the planets of the Solar system, and is a dwarf planet and even inferior in diameter another dwarf planet Eris. Designation 134340 Pluto.
Scientists have put forward many versions of the origin of our Solar system. In the forties of the last century Otto Schmidt put forward the hypothesis that the Solar system arose because the cold dust cloud attracted by the Sun. Over time the cloud formed the foundations for future planets. In modern science it is theory that Schmidt is the principal. Continue reading