Tuesday, September 24, 2013

No aliens then

Late last week, a news story was going around that alien life was found in our atmosphere. Unfortunately, the paper was incredibly flawed. 

After launching a balloon up into the atmosphere, a portion of a diatom was discovered. The author concluded that it had to have come from somewhere else in the cosmos and serves as definitive proof of aliens. Um, no.

Here’s a quick rundown of the flaws in the paper:

-In the paper, the authors never confirm that it had been positively identified by diatom expert. Instead, they “assume” that one would be able to confirm its identity.
-The diatom was not connected to a meteorite that would have allowed it to travel through space.
-Diatoms are abundant on Earth, but the authors are quick to dismiss possibilities that it could have remained suspended due to a dynamic atmosphere. Just because you don’t know how something got there does not mean it was aliens.

Bad Astronomer Phil Plait has more on why this story is bad science: http://slate.me/1aZkCgw

Read the original paper here: http://bit.ly/1bCf4LT



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