Science

Sunday, 26 April 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Earth
In terms of size, the Earth ranks fifth among the planets in the solar system.
The equatorial radius of the Earth is 6.378,137 km.
Aurora
The greatest intensity of auroras occurs at maximum solar activity - this happens every eleven years.
Then you can observe auroras also in Europe.
Deimos
Unlike Phobos, Deimos rises in the east and sets in the west of the Martian sky.
Moon
It is the fifth largest moon in the solar system.
In size, it is second only to Ganymede, Titan, Callisto, and Io.
Large Magellanic Cloud
One of the largest globular clusters in the galaxy is NGC 1783.
Titan
The first probe near Titan was Voyager 1.
The flight took place on November 12th, 1980. Several photos were taken from a distance of 4,000 km, ...
Earth
The highest point on Earth is Mount Everest.
The peak is 8848 m above sea level. However, Mount Everest is not the farthest point from the center ...
Graphene
Scientific research has shown that graphene destroys cancer cells.
By adhering to cancer cells, it creates a thin layer around them, which cuts off oxygen and nutrients. This ultimately leads to the death of cancer cells.
Amber
Baltic amber has been found in the tombs of Egyptian pharaohs.
Scientists claim amber was supposed to represent the tears of Ra—the Egyptian god of the Sun.
Earth
The Earth's atmosphere weighs approximately 5.15 trillion tons.
As much as 75 percent of the atmosphere is at an altitude of less than 11 kilometers. With each addi ...