Despite our best efforts, humanity has yet to find the existence of intelligent extraterrestrial life.

So, we've decided to cheat.

Astronomers at Cornell University have created what they call a "cosmic cheat sheet," utilizing nature's color palette from the early days of the planet in an effort to better find alien planets that could potentially host life.

“In our search to understand exoplanets, we’re using the early Earth and its biological milestones in history as a Rosetta stone,” said Jack O’Malley-James, a research associate at Cornell’s Carl Sagan Institute, in a statement.


The graph has four distinct colors representing various flora and fauna — dark green, which marks land vegetation; light green, which signifies ferns; grey is equated to lichens; and aqua, which is representative of various cyanobacteria.

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