Venus is the brightest object in the sky after the Sun and the Moon, and sometimes looks like a bright star in the morning or evening sky. If you put Earth and Venus side by side, it would be pretty hard to see which one was larger. Because it's so close to the sun, a year goes by fast. The volume of … Venus has a mean radius of 3,760 miles, or 6,052 kilometers. The similarities to Earth in size and mass produce a similarity in density—5.24 grams per cubic centimetre for … That’s about 95% of the diameter of Earth.

The diameter of Venus is 12,100 km. From an average distance of 67 million miles (108 million kilometers), Venus is 0.7 astronomical units away from the Sun. Venus is unusual because it spins the opposite direction of Earth and most other planets. Venus’s mean radius is 6,051.8 km (3,760.4 miles), or about 95 percent of Earth’s at the Equator, while its mass is 4.87 × 10 24 kg, or 81.5 percent that of Earth.

It takes about 243 Earth days to spin around just once.

Radius, diameter and circumference. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. Venus is similar in size to Earth. Venus Inside and On Top Venus is the second planet from the Sun, and is Earth's closest neighbor in the solar system. Most planets in the solar system, including Earth, spin so … With a radius of 3,760 miles (6,052 kilometers), Venus is roughly the same size as Earth — just slightly smaller. And its rotation is very slow. Earth is just a little bit bigger.