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WHICH IS THE NEAREST PLANET TO THE SUN?

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WHICH IS THE NEAREST PLANET TO THE SUN? The solar system is a fascinating place, with a variety of celestial bodies orbiting around the Sun. In this article, we will explore the innermost planets and answer the question: “Which is the nearest planet to the Sun?” Join us on a journey to uncover the mysteries of our closest cosmic neighbors.

The Inner Solar System 

Before we delve into the details, let’s familiarize ourselves with the inner solar system, home to the terrestrial planets. These rocky worlds, including Mercury, Venus, Earth, and Mars, orbit relatively close to the Sun. Among these, Mercury stands out as the closest planet to our star.

Mercury: 

The Closest Planet

Position and Orbit:

Mercury is the innermost planet of the solar system, orbiting the Sun at an average distance of about 36 million miles (58 million kilometers). Its orbit is highly elliptical, which means its distance from the Sun varies significantly.

Size and Composition:

Mercury is a small planet with a diameter of approximately 4,880 kilometers, making it only slightly larger than our Moon. It is composed mainly of rock and metal, and its surface is covered in craters, resembling the Moon in many ways.

WHICH IS THE NEAREST PLANET TO THE SUN?

WHICH IS THE NEAREST PLANET TO THE SUN?

Extreme Temperatures:

Due to its proximity to the Sun, Mercury experiences extreme temperature variations. Daytime temperatures can soar to a scorching 800 degrees Fahrenheit (430 degrees Celsius), while nighttime temperatures plummet to a bone-chilling -290 degrees Fahrenheit (-180 degrees Celsius).

Lack of Atmosphere:

Mercury has a very thin and tenuous atmosphere, primarily consisting of trace amounts of gasses such as helium and hydrogen. This thin atmosphere is unable to trap heat, leading to the planet’s extreme temperature differences.

Venus: 

Earth’s “Sister” Planet

A Common Misconception:

Many people believe that Venus is the closest planet to the Sun due to its proximity to Earth. However, this is not the case. Venus is the second planet from the Sun, and Mercury holds the title of the closest planet.

Venusian Characteristics:

Venus is often referred to as Earth’s “sister” planet due to its similar size and composition. It is a rocky world with a thick atmosphere composed mainly of carbon dioxide, causing a runaway greenhouse effect and making its surface incredibly hot.

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