Venus: the twin sister of the earth is the second planet from the Sun and our closest planetary neighbor.
Similar in structure and size to Earth, Venus spins slowly in the opposite direction from most planets.
Its thick atmosphere traps heat in a runaway greenhouse effect, making it the hottest planet in our solar system with surface temperatures hot enough to melt lead.
Venus is named for the ancient Roman goddess of love and beauty, who was known as Aphrodite to the Ancient Greeks.
Size and Distance
It has a radius of 6,052 Kilometers, just 326 km less than that of Earth’s 6,378 Kilometers.
Venus is 0.7 Astronomical Units around 108 million Kilometers away from the sun or you can say only 6 light minutes away.
As mentioned above, Venus is only 6 light minutes away from the sun. It means sunlight takes 6 minutes to travel from the sun to Venus.
Orbit and Rotation
Venus’ rotation and orbit are unusual in several ways.
The unusual thing in its rotation is, it rotates opposite to other planets except for Uranus. I have a rotation from east to west.
This kind of rotation is called Retrograde Spin.
Venus has the longest day in the solar system. It completes one rotation in 243 Earth days. Even longer than a year on Venus.
The sun doesn’t rise and set each day on Venus.
On Venus, one day-night cycle takes 117 Earth days this is because of its opposite orbital revolution around the sun.
Venus the twin sister of the earth has nearly a perfect circular orbit around the sun.
It is tilted on it’s axis by just 3 degrees that’s it doesn’t experience any season.
The planet was formed about 4.5 billion years ago when the solar system settled into its current layout.
It was formed when gravity pulled swirling gas and dust together to form the second planet from the sun.
The twin sister of the earth has a central core, a rocky mantle and a solid crust like its fellow terrestrial planets.
Venus is in many ways similar to Earth in its structure. That is why we call it Venus the twin sister of the earth.
It has an iron core that is approximately 2,000 miles (3,200 kilometers) in radius.
Above that is a hot rock made mantle slowly churning due to the planet’s interior heat.
The surface is a thin crust of rock that bulges and moves as Venus’ mantle shifts and creates volcanoes.
Standing from the Space, we can observe Venus bright white. This is because of the covering of clouds that reflect and scatter sunlight.
At the surface, the rocks are different shades of grey, like rocks on Earth.
The thick atmosphere filters the sunlight so that everything would look orange if you were standing on Venus.
Venus has mountains, valleys, and tens of thousands of volcanoes.
The highest mountain on Venus, Maxwell Montes, is 20,000 feet high (8.8 kilometers), similar to the highest mountain on Earth, Mount Everest.
The landscape is dusty, and surface temperatures reach a scalding 880 degrees Fahrenheit (471 degrees Celsius).
Venus has two large highland areas: Ishtar Terra, about the size of Australia
In the north polar region; and Aphrodite Terra, about the size of South America
Venus’ atmosphere consists mainly of carbon dioxide, with clouds of sulfuric acid droplets.
The thick atmosphere traps the Sun’s heat, resulting in surface temperatures higher than 880 degrees Fahrenheit (470 degrees Celsius).
The atmosphere has many layers with different temperatures.
At the level where the clouds are, about 30 miles up from the surface, it’s about the same temperature as on the surface of the Earth.
As we know, Venus is almost similar in the size of the Earth and almost similar-sized core. As per this speculation, Venus should have a magnetic field equal to the Earth.
But it is not like this. The magnetic field of Venus is not equal to that of the Earth, not even closer to it. The reason behind it is the rotational speed of Venus is much slower than that of the earth.
Due to this slower rate of rotation, Venus have very weak magnetic field.
Like all the terrestrial planets, Venus has no rings.
Venus is in the category of very few planet that do not have any moon.
Potential for Life
Till now, no human has visited Venus. But the spacecraft on the surface of Venus does not last very long there.
Venus’ high surface temperatures overheat electronics in spacecraft in a short time. So it seems unlikely that a person could survive for long on the Venusian surface.
There is speculation about life existing in Venus’ distant past. Also, questions about the possibility of life in the top cloud layers of Venus’ atmosphere, where the temperatures are less extreme.
I hope you must have read this article. please comment if I missed any of the details about Venus.