Science

Scientists claim amber was supposed to represent the tears of Ra—the Egyptian god of the Sun.

However, it becomes dull upon contact with ozone, hydrogen sulfide, and air polluted with sulfur compounds. Silver halides slowly decompose when exposed to light.

Out of 11, four were test flights, six ended up delivering men to the Moon, and one had failed to accomplish its goal.

In small doses, it has a stimulating effect on the body, causing increased secretion of adrenaline. ...

It has also been found on other rocky planets (Mercury, Venus, Mars) and some natural satellites (moons).

It moves in an almost circular orbit that is systematically expanding. So unlike Phobos, which will most likely fall to the surface of Mars, Deimos will one day escape into space.

The widespread cult of beauty and a slim figure - the promotion of skinny models, excessive physical ...

It is made of an alloy of nickel and iron with small admixtures of other elements. It reaches temperatures from 5500 to 6500 degrees Celsius and the pressure there is 13.5 million atmospheres.

As much as 75 percent of the atmosphere is at an altitude of less than 11 kilometers. With each addi ...