I Have a Store In the World of American Comics

Book friends group 777314382, welcome to join the discussion of the plot, thank you for your support.

......

Venus may have had as much water as Earth, but it was evaporated and dissipated, making it very dry today.

If the earth is closer to the sun, it will have the same luck.

And that's why we'll know why the underlying conditions are so similar but so different.

Data from the Magellan Vehicle Imaging Radar indicate that most of Venus' surface is covered by lava flows with several large shield volcanoes, such as SifMons (right), similar to OlympusMons (Olympus Mountains) in Hawaii and Mars.

But focus on a few hot spots.

Much of the terrain has been formed and is much quieter than it has been for hundreds of millions of years.

There are no small craters on Venus, and it looks like the asteroid didn't burn up as it entered Venus' dense atmosphere.

The craters on Venus appear to be clusters of large asteroids that typically break apart in the atmosphere before reaching the surface of Venus.

Surface of Venus:

Mount Mayat, one of the largest volcanoes on Venus, is 9,000 meters higher than the surrounding area and 200 kilometers wide. There are many volcanoes and volcanic activity on the surface of Venus.

At least 85% of the surface of Venus is covered with volcanic rocks. In addition to hundreds of large volcanoes, there are more than 100,000 small volcanoes scattered on the surface of Venus. km, the longest of which is over 7000 km.

Rotation and rotation:

Venus spins in the opposite direction to most of the planets in the solar system.

Venus revolves around the sun in 224.65 days, with an average distance of 180 million kilometers.

Although all planetary orbits are elliptical, the eccentricity of Venus' orbit is less than 0.01. When Venus is positioned between the Earth and the Sun, called a subjunction (internal conjunction), it will be closer to Earth than any other planet. The average distance at the time was 41 million kilometers, and a lower conjunction occurred on average every 584 days.

Since the eccentricity of both Earth's orbit and Venus' orbit is decreasing, the closest distance between the two planets will gradually increase.

During periods of high eccentricity, the distance between Venus and the Earth can be as close as 38.2 million kilometers.

Venus' rotation period is 243 days, the slowest among the major planets.

Venus' sidereal day is longer than a Venusian year (243 Venus days versus 224.7 Earth days), but Venus' solar day is shorter than a sidereal day, and an observer on the surface of Venus will see the sun appear every 116.75 days , which means that a Venusian day is shorter than a Mercury day (176 Earth days).

The sun will rise in the west and set in the east.

Venus rotates at only 6.5 km/h at the equator, while Earth rotates at about 1600 km/h at the equator.

If you look at the solar system from above the north pole of the sun, all the planets rotate counterclockwise, but Venus rotates clockwise, and the clockwise rotation of Venus is retrograde rotation.

When the planet's rotation is measured, how to explain the slow and retrograde rotation of Venus is a difficult problem for scientists.

Venus must have been moving faster and spinning in the same direction as the other planets when he formed from the solar nebula, but calculations show tides acting on its thick atmosphere over billions of years The effect would slow down its original spin rate, resulting in what it is today.

What is curious is that the average conjunct period of Venus and the earth is 584 days, which is almost exactly 5 solar days of Venus. Whether this is an accidental relationship or the result of tidal locking with the earth is still unknown.

Although asteroid 2002VE68 maintains a similar orbit, Venus has no natural satellites.

According to a model of the Early Solar System Institute by Caltech's Alex Alemi and David Stevenson, Venus had at least one moon billions of years ago through a massive impact event.

......

Chapter 210 Announcement of the reorganization of the overclocking armor