Science

Thursday, 13 August 2026
13 facts about Deimos
13 facts about Deimos
A smaller moon of Mars
Deimos is a smaller and more distant Martian moon. Its diameter is only 12.4 km, although it is difficult to talk about the diameter in the case of su ...

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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.
Snow
Snowfall has also been observed on Mars.
They were observed by the Phoenix probe. The snow fell from clouds flowing four kilometers above the ...
NASA
President John F. Kennedy set NASA a goal—to send men to the Moon, and bring them back home safely.
NASA responded to Kennedy’s famous speech, known as “We Choose the Moon,” with the Apollo program (1960-1972).
Milky Way
Although not every galaxy has a supermassive black hole at its center, there is one in the center of the Milky Way.
This region, called Sagittarius A*, is a very bright and compact radio source with a mass of 3.7 million solar masses and a diameter of approximately 44 million kilometers.
Amber
It is made up of about 78% carbon, 10% hydrogen, and 11% oxygen.
Aurora
To the naked eye, we see the Aurora Borealis and Aurora Australis lights as greenish and white. Full colors can only be seen in the photos.
This is because, in low light, the eye registers light with rods that are not color sensitive but respond only to light.
Ganymede
Ganymede's core is composed of iron, which may be partially liquid and is surrounded by a thick mantle made of silicates.
Moon
The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.
NASA
The Space Shuttle program launched on April 12th, 1981, was the fourth crewed program in NASA's history.
It launched a total of 135 missions and was the first program to reuse a spacecraft. Its main goal w ...
Cosmos
The observable universe is estimated to be 13.8 billion years old.
The limit of error in the calculation is 21 million years.