Hello!

The answer to your question may actually surprise you. The closest planet to Earth is not always the same because all of the planets in our solar system are constantly in motion, orbiting the sun at different speeds and distances.

However, average distance over time is a key aspect to address here. Based on such a perspective, Mercury, not Venus, is the planet that spends more time being the closest to Earth.

1. Orbital Paths: Understanding the orbit paths is the first step. The way planets orbit the sun is basically elliptical and not perfectly circular. For the Earth, Venus and Mercury, they all have different elliptical paths which cause their distances to each other and the Sun to constantly vary.

2. Distance and Speed: Second step, each planet orbits the sun at a different distance and speed. Venus’s average distance from the sun is about 67 million miles (108 million kilometers), while Mercury’s average distance is roughly 36 million miles (58 million kilometers). Therefore, Mercury is closer to the Sun.

3. Mathematical Simulations: This is the third and most crucial step. In 2019, a mathematical simulation was run by physicist Tom Stockman, showing that when the principle of comparing average distances over time is applied, it turned out that Mercury spends the most time as the closest planet to Earth.

4. The Reason: So, why is Mercury closer on an average even though Venus gets closer to Earth than Mercury at their closest approach? The main reason is the orbital speed. Mercury orbits the sun more quickly than Venus or Earth, therefore, it crosses our field of view more often and is more frequently the closest planet to us.

In fact, Mercury is not just the planet that spends the most time closest to Earth, but it spends the most time closest to all the other planets in the solar system due to its location and speedy orbit.

So, while Venus is the second planet from the sun and appears closer to Earth based on that logic, Mercury actually spends more time as our nearest neighbor due to its speed and unique orbit.

I hope this has provided you with a comprehensive understanding.

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Yeah, I did intense brain work and I got it now. This is a very interesting way of making people think about averages, space, geometry, etc. Noticed some steam coming out of my ears. Think I’m done for the day! X’D