Planets and stars

Planets and stars are some of the most fascinating objects in the universe. They are responsible for the beauty and complexity of the night sky that we see every day. Planets and stars are also important for understanding the structure and evolution of the universe. In this essay, we will explore the characteristics of planets and stars and how they contribute to the larger universe. Planets are celestial bodies that orbit a star and do not produce light of their own. There are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has unique characteristics that make it distinct from the others. Mercury is the smallest planet and closest to the sun, while Neptune is the farthest and the coldest. Venus is the hottest planet in our solar system, with a surface temperature of over 450 degrees Celsius. The formation of planets begins with a nebula, a cloud of gas and dust in space. Over time, the nebula collap