The Universe was born 13.8 billion years ago during a rapid expansion known as the Big Bang. Around 400,000 years later, it entered a period known as the “Dark Ages,” which lasted for about 0.1 billion years until the first stars and…
The Universe was born 13.8 billion years ago during a rapid expansion known as the Big Bang. Around 400,000 years later, it entered a period known as the “Dark Ages,” which lasted for about 0.1 billion years until the first stars and…