How Mars could have lost its Life
To tell this story, how Mars lost its ability to sustain life, we have to start with planet Earth. What follows is a proffered view on the interior of both planets with as conclusion that size does matter. First a look at the gravitational model, then a look at the compression model for both planets. Yes, the story does end with a gunshot.
Gravity
Planet Earth’s strongest spot of gravity is found right underneath your feet. That may be a surprise, but structurally the entire planet is on the other side of your feet, so the pull should be the strongest right there.
Move deeper into the planet, and the parts of Earth above that specific interior part will start tugging on it in opposite direction. Move further, toward the center, and all parts of the planet are tugging on that spot in equal fashion more and more. We find a net-zero spot for gravity right in the center of our planet.
The maximum for gravity’s (with ‘1’ indicating the maximum) is found along the surface of the planet, while the minimum for gravity (with ‘0’ indicating the minimum) is found right-smack in the middle.
Compression
The lightest materials on planet Earth are found on the outside, at and near the surface. The closer we move toward the center of the planet, the…
