Why space exploration relies on engines that don't breathe air
In short: Most modern engines require oxygen to burn fuel, but in the vacuum of space, that chemistry fails. This video explains how lunar landers generate propulsion without an atmosphere.
Because there is no oxygen on the moon, internal combustion—the standard for cars and planes—is impossible. To solve this, aerospace engineering utilizes different chemical reactions where fuel is mixed with an oxidizer rather than air.
The video explores why using oxygen as a propellant component can be more efficient than relying on atmospheric intake, highlighting the fundamental shift in chemistry required to move from Earth's surface into the void of space.
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Sources
- Summary by Intellect · source: How Did Lunar Landers Re-Launch When There's No Oxygen?
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