Could Marvel's Galactus Really Consume the Earth?

Sunday, 23 October 2016 - 12:27PM
Weird Science
Science of Sci-Fi
Sunday, 23 October 2016 - 12:27PM
Could Marvel's Galactus Really Consume the Earth?
Have you ever wondered what Earth would taste like to Galactus? No? How about the amount of energy Galactus would receive if he devoured the Earth? Well, Chief Science Officer Kyle Hill over at Nerdist has the scoop!



Marvel Comics character Galactus is a villain who consumes planets to gain more energy. The only way for Galactus to sustain himself is if he drains all the life energy from a planet, or "world." (You can actually get a glimpse of him in action during the film Fantastic Four: Rise of the Silver Surfer.) If Galactus came to Earth, he would have to attack the biosphere, which refers to the sum of all ecosystems, including the geosphere, hydrosphere, lithosphere, and atmosphere.

In order to figure out how much energy Galactus would get, the mass of all matter in the biosphere has to be measured. We're talking everything from water to ants! It all boils down to the old formulas of E= MC2. After Hill explains the math behind the madness, it equates to all the gravitational binding energy, which is the energy put into the earth to overcome the gravitational pull. To put it simply, "if you took all the life energy from earth, you could end all life on earth," as Hill claims.

If Galactus were able to convert the energy from the biosphere very efficiently, that would come to 300 million trillion Joules, which just so happens to be the same amount you would need to overcome the gravitational binding force holding the Earth together. So in order to consume the Earth, he would need all the energy from every life form, no matter how small! Of course in the process Galactus destroys all life when converting them to energy, but it's still an interesting concept. Lucky for us there isn't a Galactus to worry about!
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