Science

Saturday, 13 December 2025
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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Cosmos
Light from the surface of the Sun to Earth travels about 8 minutes and 10 seconds.
This means that when we look at the Sun in the sky, we see it where it was more than 8 minutes ago.
Milky Way
According to recent research, there may be as many as 400 billion stars in the Milky Way.
The number of stars was originally estimated at around 100 million, but recent measurements suggest that this number may be up to four times greater.
Milky Way
The solar system is 27.000 light years away from the center of the Milky Way.
It is located on the inner side of the Orion Arm, one of at least four arms of the galaxy. Their exa ...
Large Magellanic Cloud
Between the Large and Small Magellanic Clouds, there is a belt of hydrogen that connects both galaxies.
There are numerous stars inside the gas belt, concentrating in two places in the belt in the so-call ...
NASA
The Apollo program launched 11 crew missions between 1968 and 1972.
Out of 11, four were test flights, six ended up delivering men to the Moon, and one had failed to accomplish its goal.
Silver
Silver occurs in nature in its native form (a rare mineral consisting mainly of metallic silver), along with sulfur, arsenic, antimony and chlorine.
It is also found in the ores: argentite (a rare mineral from the sulfide group), chlorargyrite (a ve ...
Anorexia Nervosa
Anorexia is the most common among young people and teenagers.
It is most common in girls and young women, although recently the disorder has been increasingly obs ...
Earth
Throughout its history, Earth has had four different atmospheres.
At first, it was surrounded by a primordial atmosphere, which consisted of the remains of proto-plan ...
Deimos
The two largest craters of Deimos are approximately 3 kilometers in diameter: Swift and Voltaire.
They were named after two writers who claimed that Mars had two moons before this was proven.
Fungi
The science of mushrooms is mycology.
Mycologists have developed several systems of classifying fungi.A less official classification group ...