The Moon Part 1

Our closest celestial neighbor excepting a bunch of man made satellites, space junk, some small space faring rocks (meteors/asteroids ya swabs) , and the International Space Station, is of course the Moon. It's big, white (well whitish) , riddled in potholes, I mean craters, and awe inspiring, or at least it's held our attention ever since humans looked up at the sky and said "Oooooo!" On the technical side, it's about 384,403km (about 238,857 miles) away from the Earth and orbits us once every 27.3 days, and is 3,474km (about 2159 miles) in diameter.

Due to it's orbit and spin pattern, the moon keeps one side to us (the side we don't see is often called the dark or far side) at all times. The result is that many people wondered what was on the other side, sparking claims of everything from aliens to secret military bases. Eventually someone managed to get a photo of the "darkside" of the Moon (I believe it was the Russians) and revealed, well nothing. That's right, nothing. There is absolutely nothing on the other side of the Moon. In fact, just take a look for yourself (just below this paragraph) and you'll see how much more boring the other side is compared to the side we see all the time.

You see nothing! It's craters aren't nearly as big and there are no secret moon bases, or at least not when the photo was taken. Of course you could also say that NASA airbrushed signs of bases or alien presences from it, but that's another post involving more then just the moon. However, since you all come here not to hear me ramble about how boring the darkside of the Moon is, I'll let you in on a bit of a secret, well sort of. The Moon might be hollow!

Besides Earth we have seismic detection instruments (things to detect earthquakes and other events large enough to rumble the Earth) in place on one other object in our solar system. If you haven't guessed it's the Moon by now, I suggest you go back to the top of the post and read everything again, since clearly you're not paying attention. Anyways, after the Apollo XII astronauts planted the seismometers and left, the stage that lifted them off the Moon fell back to the lunar surface setting off the seismometers for over an hour. This result was something no one had expected.

Another piece of evidence used in promoting the Hollow Moon theory is the Moon's own density, which on average is over 60% less dense then the Earth. That basically means that despite how big it looks, it's actually incredibly light for it's size, and in all honesty I always picture it as being one gigantic piece of basalt, which makes me wonder if it'd float in water, but it also is a potential sign that it's hollow(you know, not hollow=heavy, hollow=light, that sort of reasoning).

Anywho, that's it really, well asides from some people thinking that since it's possibly hollow, it might be artificial. That however brings up the question of who put it there and for what purpose, and whether or not it violates the copyright of one George Lucas, but that's another post and until then, I'm going to just go about assuming it's just a big basalt like space rock that can float in water, and not the Death Star.

Sources and Further Reading:
Hollow Moon - Wikipedia
Moon - Wikipedia
Hollow Moon - Tinwiki