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The greenhouse effect also causes high air pressure on Venus, about 90 times that of Earth.

The thick clouds of Venus make the daytime on Venus blurry. There is no blue sky and white clouds that we are familiar with, and the sky is orange.

There are strong winds at the top of the clouds, about 350 kilometers per hour, but the surface wind speed is very slow, less than a few kilometers per hour.

Interestingly enough, lightning and thunderstorms appear over Venus just like the sky over Earth.

The atmospheric pressure of Venus is 90 standard atmospheres (equivalent to the pressure at a depth of 1 kilometer in the Earth's oceans), and the atmosphere is mostly composed of carbon dioxide, and there are also several layers of sulfuric acid.

These clouds block our view of the surface of Venus, making it appear very blurry.

This dense atmosphere also creates a greenhouse effect, raising the surface temperature of Venus to as high as 400 degrees, exceeding 740 kelvins (enough to melt lead strips).

The surface of Venus is naturally hotter than the surface of Mercury even though Venus is twice as far from the Sun as Mercury.

The atmosphere of Venus is mainly carbon dioxide, accounting for about 96%, and nitrogen 3%. At an altitude of 50 to 70 kilometers, thick, thick clouds suspend the atmosphere, dividing the atmosphere into two layers.

The cloud is composed of concentrated sulfuric acid droplets, which are also doped with sulfur particles, so they appear yellow.

On Earth with a good climate, it should be hard to imagine such a crazy world in the solar system.

The speed of Venus close to the surface of the atmosphere is relatively slow, only a few kilometers per hour, but the speed of the upper layer can reach hundreds of kilometers per hour. The rotation speed of Venus is so slow that it only rotates once in 243 Earth days, but it has such a fast rotating upper atmosphere, so far Still a puzzling mystery.

In the photo, we can observe that the clouds on the surface of Venus have an inverted V-shaped shape. This cloud system is called a banded wind system.

This band wind is actually convection caused by sunlight.

When Earth or Venus clouds form, the sun's energy stored in the air can be released in very powerful electrical discharges.

As cloud particles collide, charge is transferred from large particles to small particles, with large particles falling and small particles rising.

The separation of the charges caused the lightning strike.

This is an important process for planetary atmospheres because it raises the temperature and pressure of a small part of the atmosphere to a high value, allowing molecules to form, which would not otherwise occur at the temperature and pressure of a standard atmosphere of.

Therefore, some scientists speculate that lightning may have contributed to the emergence of life on Earth.

In order to analyze Venus lightning, the research team has used the "Venus Express" to collect low-altitude data for nearly 10 minutes every day for the past 3.5 (earth) years. By comparing the similarities and differences between the electromagnetic waves generated by the two planets, it was found that the magnetic signals on Venus are relatively strong. , but after converting the magnetic signal into a flux of energy, the intensity of lightning appears to be similar to that of daytime lightning, which appears to be more common than nighttime, and occurs more frequently in the lower latitudes, where the penetration of sunlight into Venus' atmosphere is strongest.

Astral satellites:

Venus was once thought to have a moon called Ness, named after the Egyptian goddess Seth (whose face no mortal had ever seen under the veil).

Its first discovery was made in 1672 by the Italian-born French astronomer Giovanni Domenico Cassini.

Sporadic observations of Nice by astronomers continued until 1982, but these observations were later dubious (actually other faint stars appeared in the right places at coincidental times) and so Venus was thought to have no moons.

Before space probes explored Venus, some astronomers believed that the chemical and physical conditions of Venus were similar to those of Earth, and the possibility of discovering life on Venus was greater than on Mars.

In the late 1950s, astronomers first observed the surface of Venus with a radio telescope.

Since 1961, the Soviet Union and the United States have sent more than 30 probes to Venus, ranging from close-up observations to landing probes.

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Chapter 218 Prediction is ruthless