Which planet is known as Earth's twin?

Venus is commonly referred to as Earth’s twin due to its close similarity in size, mass, and structure.

Here’s why the comparison is made:

• Diameter of Venus is about 95% of Earth’s
• Both are rocky planets with similar internal layers
• Their gravity levels are also quite close

However, despite these similarities, the actual conditions on Venus are extremely different:

• Surface temperature is around 465°C, hotter than Mercury
• Atmosphere is thick and dominated by carbon dioxide
• Presence of intense greenhouse effect
• No liquid water exists

So, while Venus looks like Earth in terms of physical parameters, it is not habitable.

Clear understanding: The term “Earth’s twin” is based on structural similarity, not environmental conditions.