atmospheric pressure

Researchers calculate that Earth's atmosphere weighs about 5.15 x 10^18 kg, nearly a billion times more than the Great Pyramid of Giza.

Water on Earth, one of the planet's most precious resources, seems to be inexhaustible.

If lightning really exists on Mars, its frequency is very low and energy is much less than that on Earth.

According to an old folk tale, there was a wife while cooking, she noticed that when adding salt to a pot of water placed on the stove, the water boiled faster than usual.

Venus is the brightest planet in the Solar System after the Moon and Sun. Compared to Earth, it is the first star to appear at night and disappear at dawn at last.

Despite bringing dozens of spacecraft to explore Mars, many mysteries in this red planet have yet to be discovered.

Scientists have discovered the air characteristics on Mars 3.6 million years ago.