#cosmicmysteries

Light's Time Travel: When we gaze at distant stars and exoplanets, we're essentially looking back in time. This is because light, though incredibly fast, still takes time to travel across the vast cosmic distances. So, when we observe a star or planet thousands of light-years away, we're peering...

The observable universe, the vast expanse we can see with our telescopes, stretches about 93 billion light-years in diameter. Yet, beyond this cosmic horizon lies a mystery—what's out there in the unobservable realm? Let's explore this enigma .. The Observable Universe - Our ability to observe...