The astrophysicist, Greg Laughlin, came up with the figure by calculating the sum of the planet's age, size, temperature , mass and other vital statistics – and Earth came out as the most expensive.
"The formula makes you realize just how precious Earth is and I hope it will help us as a society safeguard what we have," he said.
The astrophysicist, Greg Laughlin, came up with the figure by calculating the sum of the planet's age, size, temperature , mass and other vital statistics – and Earth came out as the most expensive.
"The formula makes you realize just how precious Earth is and I hope it will help us as a society safeguard what we have," he said.
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