![]() Since the universe is such a vast place, if we measured distances in miles or kilometers, we would be working with some amazingly huge numbers. It’s pretty dang fast, which comes in handy for measurements. If we are looking at hours, that translates to 670.6 million mph (1.1 billion kmh). For a little context, if you were traveling at the speed of light, you would be able to whip about the Earth 7.5 times each second. This limit is set by the speed of light, which travels a staggering 186,282 miles per second (299,792 km/sec). Thanks to Albert Einstein’s Theories of Relativity, we know that our universe has a speed limit. ![]() ![]() Jellyfish Nebula and its surroundings (Image Credit: Patrick Gilliland)
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