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Reduced gravity health effects
Causes high blood pressure, muscle mass loss, and weakened spine.
Radiation exposure risk
Increases the risk of cancer.
Space Shuttle Columbia (2003)
Disintegrated completely upon re-entry.
SpaceX launch CO2 emissions
Produced as much CO2 as driving around the planet 70 times.
Alternative energy in space
Using solar panels instead of relying heavily on fossil fuels.
Space debris
Material left over from previous missions not returned due to cost or technology.
Reusable shuttles
Used to create less waste in space.
Mars potential use
Could be used as a fossil fuel station.