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Our Earth

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on 26 March 2013

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Transcript of Our Earth

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli One of a kind Our Earth Protect it! Reduce, Reuse, Recycle! Oceans Most of the Earth is covered in water, most of it being salt water. It's truly amazing how much life is below the foamy surface of our churning oceans. Everything from the tiniest plankton to the largest whales reside there. However, they are in danger! Fish and crustaceans are rounded up in huge numbers for use as food, and other animals like dolphins are often injured in the process.
These animals do no harm to us. Why aren't we more careful so we don't hurt them? Did You Know? It is believed that the Earth might have another moon! So why haven't you seen two full moons in the sky? This "second moon" is believed to only be about a meter long. And, to boot, this "moon" seems to change after only about three orbits (nine months); so really, they are "temporary satellites."
Scientists also think the Earth once had another, 750-mile moon that collided with another object. Who knows? It's a Cool Place! Earth is teeming with life, from plants to animals to bacteria to fungi. It's everywhere you look, even in the wood of a desk (that's a dead tree!) to the plastic of a computer mouse (plastic is made of petroleum, which is actually the remains of plants and animals that died millions of years ago). Not to mention that eveything around you is covered in bacteria and fungi. That's pretty cool! How long? Who knows how long the Earth will be cool? Global warming, caused by greenhouse gases like CO2, is trapping heat in the atmosphere, and warming up our glorious planet. Earth recycles too! All of our planet's rocks go through a cycle where they may end up as another type of rock. Does life outside of Earth exist? No one knows for sure. But just in case there's nowhere else to go, let's not take our chances by hurting our planet. Or is it? Recycle, of course! Don't use excess amounts of water, like taking very long showers, leaving water running, or rinsing dishes and putting them through the dishwasher. Unplug electronics not in use, turn off lights when they aren't needed, and don't leave chargers plugged in when they don't need to be. We've all heard all of this before, but you have to do more than just hear it! Live it! Turn down the brightness of computers, phones, etc. It will save a lot of energy!
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