Laika Dictionary of astronomy, letter L Name of the now legendary Soviet bitch who was the first living being to orbit in space around Earth. The animal was launched on November 3, 1957. Laika was placed inside a cylindrical vessel of the Sputnik 2 satellite (the second artificial satellite launched by the Soviet Union), which weighed 508 kg.
Sputnik Dictionary of astronomy, letter S From a Russian word that means "companion", is the name given to the famous series of artificial satellites that inaugurated the era of space exploration. The launch of Sputnik 1, on October 4, 1957, astonished the world because no one expected Soviet technology to be advanced to the point of putting an object in orbit around the Earth.
Measures of the Universe Not only distances, mass, volume, density, temperature can be measured. In the Universe the brightness of the stars, the declination, the wavelength and many other magnitudes are also measured. Let's see what can be measured in the Universe and how it is measured. Measures of the Universe, basic concepts Mass: is the amount of matter of an object.
Antoine-Laurent de Lavoisier and modern chemistry Antoine Lavoisier was an important French chemist, biologist and economist, considered the father of modern chemistry Antoine-Laurent de Lavoisier was born in Paris, France, on August 26, 1743. He is considered the creator of modern chemistry together with his wife, Marie-Anne Pierrette Paulze, who was also a scientist.
Limbo (astronomy) Dictionary of astronomy, letter L It is the edge of a celestial body seen by an observer located on Earth. In the case of a planet surrounded by atmosphere, the observations of the limbus are, in general, more difficult with respect to those of the center, because a greater thickness of gas must be penetrated before the underlying layers can be observed.
Solar System Details Unusual details about some planets and satellites. Photographs that show unknown or unusual aspects of our Solar System, approaching hidden or distant objects thanks to new technologies. Transit of Venus Flight over Venus Venus to the natural surface of Venus The cold Enceladus Volcano in Io Ice in Europe Satellite Calisto Double haze on Titan Plateau on the Moon An asteroid and its moon Febo, moon of Saturn Gula Mons Volcano Mercury Relief Glows in Ceres Cervero and Stygia Moons Solar System Details Custom Search