🌌The universe began 13.8 billion years ago and has been expanding ever since.
🔥The hottest temperature ever recorded in the universe occurred during the collision of two lead atoms in the Large Hadron Collider, reaching 5.5 trillion degrees Celsius.
🔬General relativity and quantum mechanics, two fundamental theories in physics, are currently incompatible in describing the Planck-era universe.
🌐Different theories such as inflation, cyclical growth, and string theory attempt to explain the origin and nature of the universe.
🔎Scientists are actively researching and searching for a theory of quantum gravity to reconcile general relativity and quantum mechanics.