This physics question has bugged me since I was around 15 years old.
The sun is constantly giving us energy. Admittedly, a lot of it is being emitted back. But some of it stays on Earth. Does this energy contribute to increase Earth’s mass since E=mC(squared)?
If yes, then I have another question. Once space travel becomes common, will this result in earth losing some of its mass in the form of fuel and rocket parts and travellers on board?
Will these changes in mass result in change in temperature and gravity etc due to change in size of the planet’s core?
In: Physics
There are a bunch of more factors. Like earth collects dust and rocks from space while losing light gasses that escape the upper layers of athmosphere. In total earth gains a little weight over time, but it’s very small compared to it’s total mass.
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