Published May 10, 2018
The results of the definition of stellar diameters turned out to be truly astounding. Astronomers did not suspect before that in the universe there could be such giant stars. The first star, the true size of which was determined (in 1920), was the bright star of the constellation Orion, bearing the Arabic name Betelgeuse. Its diameter was greater than the diameter...
Published May 10, 2018
To distinguish with a simple eye a fixed star from a "wandering" planet, that is, it is very easy, even without knowing the sky map. The planets shine with calm light, the twinkling of stars constantly shimmers with different colors. Flicker of stars is especially strong and colorful in the frosty nights and windy weather, and after the rain...
Published May 10, 2018
In 1921 there was a sensational rumor: Saturn's rings disappeared! Moreover, the fragments of the destroyed rings fly in the world space towards the Sun and along the way should fall upon the Earth. They even called a day when a catastrophic clash was to take place... The reason for the sensation was simply that in the aforesaid year the rings of Saturn ceased to be visible for a short time...
Published May 10, 2018
Everyone knows the concept of solar storms. But as the solar activity increases, these storms turn into a solar storm that has repeatedly swept over our planet. Head of NASA Richard Fisher said that another such solar storm is expected in 2013 during the peak of solar activity, and the flow of particles and radiation can cause anthropogenic catastrophe on Earth...
Published May 10, 2018
Now, when the flights to the moon became a reality, when the formula of K.E. Tsiolkovsky and the Tsiolkovsky number are the basis for calculating the movement of missiles, and KE Tsiolkovsky himself is recognized everywhere in the world, in all its grandeur appears the feat of an outstanding thinker who lived and worked for the future of mankind...
Published May 10, 2018
The stars in the afternoon are the stars above our heads, which six months ago were visible at night and six months later they will again decorate the night sky. The illuminated atmosphere of the Earth prevents us from seeing them, since air particles scatter the sun's rays in a larger quantity than the stars send us...
