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What if there was no Moon?

Geography | 7-14 yrs | Reading Pod, Learning Pod

Earth without the Moon? 5 Things We’d Miss!

  1. Our tides would be just 40% of what they are now. They would be caused by the sun. Since the sun is 400 times further away from the moon than us, it would need to be 64 million times the size of the moon to cause tides of a similar level. As it is 27 million times as big as the moon, it would cause smaller tides.
  2. Our days would be just 6-8 hours long. That’s because the moon’s tidal friction slows the earth’s rotation gradually. So, if there never was a moon, earth’s rotation would’ve been 3-4 times faster than what is it now, so our days would be shorter. So, there would be 1000-1400 days in a year.
  3. Our axis’s tilt would differ widely over time. The earth rotates on its axis, right? The moon keeps our axis tilted between 23 to 26 degrees. Otherwise, if we orbit in the same plane as our rotation, we would have no seasons, like Mercury. Or if we rolled like a barrel, we would have extreme seasons like Uranus.
  4. There would be no eclipses. No lunar eclipses naturally, without the moon, and no solar eclipses either. What’s the moon got to do with solar eclipses? The moon’s shadow is nearly equal to the length of the distance between Earth and the moon. If the moon wasn’t around to cover the sun, no eclipses would happen.
  5. Nights would be much darker. Right now, we rely greatly on the moon to be able to see at night. Without it, the stars would be there, but they wouldn’t be of much help. Think of this- Venus is considered bright, but it is not as bright as the moon. In fact, it’s even possible that our vision would’ve developed differently if the moon hadn’t been around!

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