Published May 10, 2018
A well-known mathematician Gauss recounted that one day he invited his mother to look into the astronomical pipe on the phases of Venus, brightly shining in the evening sky. The mathematician thought to amaze the mother by surprise, since the pipe phase of Venus is visible in the shape of a sickle. He was surprised, however: he put his eye to the eyepiece, the woman did not express...
Published May 10, 2018
Lunokhod is a special automatic or controlled device designed for research at Moon and movement on its surface. The first Soviet lunar rover controlled from the Earth "Lunokhod-1" worked on the surface of the Moon from November 17, 1970 to October 4, 1971, passing 10,5 km. It consisted of an 8-wheel chassis with an individual electric motor on each wheel...
Published May 10, 2018
Telescope is a device for observing celestial objects - planets, stars, nebulae and galaxies. The name consists of two Greek words: "body" - into the distance, far and "skopeo" - I look. The first device to observe distant objects on the Earth - the telescope - was invented in the beginning of the 17th century by the Danish optician I. Lipersgey. But only...
Published May 10, 2018
Among the 1600 known asteroids, a group of fifteen minor planets, the so-called "Trojans", stands out for its remarkable movement: Achilles, Patroclus, Hector, Nestor, Priam, Agamemnon, etc. Every "Trojan" is spinning around the Sun so that it, Jupiter and the Sun are at any time located at the vertices of an equilateral triangle...
Published May 10, 2018
Twice a day in the terrestrial seas and oceans, tides occur and with the same regularity twice a day they are replaced by ebbs. The reason for these well-known phenomena is the attraction that all parts of our planet experience from the Moon. It is quite easy to understand the nature of tides. The water shell Earth has a spherical shape...
Published May 10, 2018
In the Earth-Moon system, the alternating "eclipses" of one cosmic body are solar and moon eclipses. When you turn around the planet, its satellite, illuminated by the Sun, sometimes casts a shadow on the planet, and at other times it falls into its shadow. Similar phenomena are often observed, for example, in the satellite system...
