The sunlight you see is already eight minutes old
The universe is playing on a severe lag. Because light has a finite speed (186,000 miles per second), the 93-million-mile journey from the Sun's surface to your retinas takes exactly 8 minutes and 20 seconds. This means that if the Sun suddenly exploded or vanished, you would go about your day in blissful, sunlit ignorance for over eight minutes before plunging into sudden, catastrophic freezing darkness.

Keep exploring facts in this topic.
Science →




