![]() It once had an atmosphere similar to that of Earth and Venus, but it no longer has much of one. Mars is slightly smaller than Earth, but much farther away. It takes the Earth 365 days to orbit the Sun. The other planets are either excessively hot or excessively cold. This is our home! Earth is composed of rock and is the only planet with liquid water. Venus, like Earth, has an atmosphere (air) surrounding it, but it is much thicker than Earth's, and Venus is perpetually clouded. Venus is the second planet from the Sun after Mercury. It is so close to the Sun that it completes its orbit in 88 days and is much hotter than Earth. It is made up of rock and is the tiniest planet. Mercury is the planet closest to the Sun. ![]() Life on Earth would not exist without the sun's heat and light and i.e. The sun has a huge impact on our planet: it controls the weather, ocean currents, seasons, and climate, as well as allows plant life to exist through photosynthesis. The sun is a common star, one of approximately 100 billion in our Milky Way galaxy. Some are just beginning to form, while others are in their middle years or towards the end of their life, and do you know? The brightest star apart from sun is Sirius. ![]() However, there is more to this subject because G V Stars can go through numerous stages. They have a 10-billion-year lifespan on average. The surface temperature of stars in this classification is between 5,300 and 6,000 K, and they produce light by fusing hydrogen into helium. Astronomers have been able to see instances of stars in diverse shapes, sizes, metal compositions, and ages since there is a vast Universe out there populated by numerous stars. Even though it is our closest and most recognizable star, it is still just that: a star. The Earth, the other planets, stars, asteroids, and comets that exist in this space make up the Solar System. The Solar System is a space in which there is the Sun and planets revolve around it due to a force known as gravity.
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