Why is NASA going back to Earth's evil twin, Venus? | Nasa missions | Venus & earth | discoveries

11 months ago
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#VenusMissions#AtmosphereOfVenus#VenusianMysteries

Venus is the second planet from the Sun in our solar system, located between Mercury and Earth. It is often referred to as Earth's "sister planet" because of its similar size and composition, but it has some stark differences that make it one of the most inhospitable places in the solar system. Here's a brief description of Venus:
Size and Composition: Venus is similar in size to Earth, with a diameter of approximately 12,104 kilometers (7,521 miles). It is composed mainly of rock and metal, similar to Earth's composition.

Atmosphere: Venus has a thick and dense atmosphere primarily composed of carbon dioxide (about 96.5%), with traces of nitrogen and sulfur dioxide. This thick atmosphere traps heat through the greenhouse effect, leading to extremely high surface temperatures.

Surface: Venus has a rocky surface marked by vast volcanic plains, mountains, and impact craters. The surface is hot enough to melt lead, with temperatures reaching up to 900 degrees Fahrenheit (475 degrees Celsius). The atmospheric pressure on Venus is about 92 times that of Earth's, similar to the pressure found 900 meters (3,000 feet) underwater on Earth.

Rotation and Day-Night Cycle: Venus has an unusual rotation. It rotates on its axis very slowly and in the opposite direction of most other planets, including Earth. This means that one day on Venus (a full rotation) is longer than its year. It takes about 243 Earth days to complete one rotation, while its orbit around the Sun takes approximately 225 Earth days.

Extreme Weather: Venus experiences extreme weather conditions, including hurricane-force winds in its upper atmosphere, acid rain, and lightning. The surface is obscured by thick clouds of sulfuric acid that reflect sunlight and contribute to the planet's high temperatures.

Missions to Venus: Several space missions have been sent to study Venus, including NASA's Magellan spacecraft, which mapped the planet's surface using radar, and the Soviet Venera missions, which were the first to successfully land probes on Venus.

Lack of Water: Venus is extremely dry, with almost no water vapor in its atmosphere. Liquid water cannot exist on the surface due to the high temperatures and pressures.

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