Miscellaneous Universe
Introduction: What a treat it is to observe the sky after dusk! First, one or two brilliant spots would flash in the sky. You will soon see the number rising. You can no longer count them. The entire sky is covered in small, glowing objects, some bright and others dull. The sky appears to be covered with diamonds. All of them seem to be blinking. But if you pay close attention to them, you'll see that some of them don't sparkle as much as others do. Like the moon, they just glow without any flicker. The vastness of space and all the stuff and energy contained within make up the universe. It has a diameter of around 93 billion light-years and is thought to be 13.8 billion years old. There are numerous galaxies across the cosmos, and each one is home to billions of stars and the planetary systems that orbit them. The universe's expansion is one of modern astrophysics' most significant findings. The Belgian astronomer Georges Lemaître initially hypothesized this in t