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How big is the Moon?

3,500 kilomeetrit!

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Moon

Introduction

Have you ever gazed up into the night sky, and wondered, "Just how big is the moon?" Well, you're about to find out! The moon, in all its silent and glowing splendor, is Earth's only natural satellite. It's like our planet's very own celestial sidekick, always there, lighting up the darkness of the night. ## The Moon's Size In terms of size, the moon is about one-quarter of Earth's diameter. Imagine if you could somehow place four moons side by side, they would stretch across the entire Earth! To put it in perspective, the moon's diameter is comparable to the width of Australia. This makes the moon the fifth largest satellite in the entire Solar System.

  • The Moon's diameter: 3,474 kilometers (comparable to the width of Australia) - Earth's diameter: 12,742 kilometers Now, that's a pretty big moon, right? The moon is even larger than all known dwarf planets in the Solar System. ## Size Comparison When we compare the moon to other celestial bodies, we get a better understanding of its size.
  • Compared to Earth: The moon is about 1/4th the size of Earth. If Earth were the size of a basketball, the moon would be about the size of a tennis ball.
  • Compared to other celestial bodies: The moon is larger than Pluto, but smaller than Mars.
  • Compared to other satellites: It's the fifth largest satellite in the Solar System. It's smaller than Ganymede, Titan, Callisto, and Io (the four largest satellites of Jupiter), but larger than any other natural satellite.

The Moon’s Orbit

The Moon orbits the Earth at an average distance of 384,400 km. That's about 30 times the Earth's diameter! This distance is so vast that you could fit all the planets in the Solar System, lined up end to end, in that space with room to spare.

Interesting Facts

  • The Moon lacks any significant atmosphere, hydrosphere, or magnetic field.
  • Its surface gravity is about one-sixth of Earth's. That means if you weigh 60 kg on Earth, you would weigh only 10 kg on the moon! - The Moon's gravitational influence is the main driver of Earth's tides and very slowly lengthens Earth's day. - Jupiter's moon Io is the only satellite in the Solar System known to have a higher surface gravity and density than our moon.

Conclusion

The moon might seem small when we look up at it in the night sky, but it's actually quite big. It's the fifth largest satellite in the Solar System and even bigger than any known dwarf planet. So, the next time you gaze up at the moon, you'll know exactly how big it is!

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