In Australia, scientists discovered a crystal that has been dated to be about 4.4 billion years old. The crystal is red, but when hit with electrons, it turns blue. The crystal shows that the Earth could have supported water 4.4 billion years ago. This means that there could have been life. It also shows that in the first 100 million to 200 million years, Earth cooled and formed crust and water.
I love how we're able to find things out about the beginning of the Earth. It's great to know that there's still information out there that we can discover!
Source: http://www.cnn.com/2014/02/24/world/oldest-earth-fragment/index.html?hpt=wo_t5
This is really interesting and cool!
ReplyDeleteWow this is really cool! I hope they can use this information to help us understand more about our planet.
ReplyDeleteThis could change the way scientist's timeline!
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