How Big is Venus? - The Diameter and Mass Compared to Earth
On that scale, the Earth will be 13 mm in diameter, Mercury will be 5 mm and Pluto will In relation to these dimensions, the rest of the planets and the moon ( for starting from the orbit of Mercury) measure 7 1/4 inches to the orbit of Venus . Venus is nearly as big as the Earth with a diameter of 12, km. While its size and mass are similar to Earth, the small asteroids are crushed when entering. Venus, often called Earth's sister planet, is slightly smaller than Earth. with no relation to the plate tectonics that form land masses on Earth;.
This means that Venus is roughly 0. In terms of volume, the two planets are almost neck and neck, with Venus possessing 0. But when it comes to orbit, the two planets are a bit different. Being terrestrial planets, Venus and Earth have similar structures and compositions.
Whereas the core region consists of nickel and iron, the mantle and outer crust are composed of silicate rock and minerals. Like that of Earth, the Venusian core is at least partially liquid because the two planets have been cooling at about the same rate.
This results in reduced heat loss from the planet, preventing it from cooling. Whereas the outer core is believed to consist of a low viscosity liquid, the inner core is believed to be solid.
Venus Facts: Interesting Facts about Planet Venus • The Planets
In fact, about The submerged surface has mountainous features, as well as undersea volcanoes, oceanic trenches, submarine canyons, oceanic plateaus and abyssal plains. The remaining portions of the surface are covered by mountains, deserts, plains, plateaus, and other landforms. Over long periods, the surface undergoes reshaping due to a combination of tectonic activity and erosion.
Venus surface appears to have been shaped by volcanic activity rather than tectonic activity. As a rule, air pressure and density decrease the higher one goes into the atmosphere and the farther one is from the surface. However, the relationship between temperature and altitude is more complicated, and may even rise with altitude in some cases.
The one exception is the highest point on Venus, Maxwell Monteswhere atmospheric pressure drops to about 4. This dates back to ancient civilizations who believed that Venus was in fact two distinct stars appearing in the sky. One day on Venus is longer than one year.
Due to the slow rotation on its axis, it takes Earth-days to complete one rotation. The orbit of the planet takes Earth-days — making a year on Venus shorter on day on Venus. Venus is named after the Roman goddess of love and beauty. They are also similarly located with Venus being the closest planet to Earth. Both planets also have a central core, a molten mantle and a crust.
Venus has no moons nor rings. Billions of years ago, the climate of Venus may been similar to that of Earth and scientists believe that Venus once possessed large amounts of water or oceans.
Sizes and Distances
However, due to the high temperatures produce from the extreme greenhouse effect, this water boiled off long ago and the surface of the planet is now too hot and hostile to sustain life. Venus rotate in the opposite direction to other planets. Most other planets rotate counter-clockwise on their axis, however Venus, like Uranus, rotates clockwise. This is known as a retrograde rotation and may have been caused by a collision with an asteroid or other object which caused the planet to change its rotational path.
The atmosphere is a dense This is due to the slow movement of the solar winds across the surface of the planet. The estimated age of the Venusian surface is around million years old. By comparison, the surface of the Earth is about million years old.
How Big is Venus?
This means that any small asteroids entering the atmosphere of Venus are crushed by the immense pressure, which is why there are no small surface craters on the planet. Venus has a very weak magnetic field. One possible reason for this is that Venus has no solid inner core, or that its core is not cooling.
Venus is the only planet in the Solar System to be named after a female figure. Venus orbits the sun in an ellipse, but its orbit is the closest to being a circle out of all the planets in the Solar System. Venus is the closest planet to Earth. When Venus is in line with Earth and the Sun, it is the closest planet to us, at an average distance of 41 million kilometers More information and Facts about Venus By the time of the ancient Romans it was understood that Venus was one of four planets other than the Earth.
Being the brightest and most visible of these planets, the Romans named Venus after their goddess of love and beauty.
As a result of its name, the planet has naturally been associated with love, femininity, and romance throughout history. It is often remarked that Venus and Earth are twin planets due to their similarity in size, density, mass, and volume. If the twin relationship remains, it should be noted that they are not identical. As with Mercuryour knowledge of Venus has grown considerably during the latter half of the twentieth-century. For example, prior to the several planetary missions conducted by NASA and the Soviet Union beginning in the s, scientists had been hopeful that conditions beneath the extremely dense clouds covering the planet would allow for life.
Unfortunately, the data collected during these missions proved that the conditions present were too severe to support life. The first is the cloud bank that effectively encases the entire planet.
The second is everything below these clouds. When studying the sub-cloud atmosphere two features are immediately prominent: