A crash landing can be an aviation accident. A meteoroid colliding with the Earth or other celestial body could be called a crash landing. A large collision is called an impact event. Planned crash landing In the case of landing unmanned spacecraft and parts such as a rocket stage or fuel tank, a crash landing may be intentional. This can be a matter of disposing of such an item, or a way to photograph a celestial body from nearby without providing for a soft landing, or the impact may have a purpose by itself, such as with . The was deliberately crashed into the Moon for seismic measurements.
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