Examples
- Imagine throwing a toy car into the sky, if it doesn’t come back, you might say it's lost.
- Lost spacecraft are like invisible dots in the night sky, we just can't see them anymore.
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See also
- What If We Landed on Mars Yesterday?
- What If We Dug a Tunnel Through the Center of the Earth?
- How do lunar landers achieve a soft landing on the moon?
- How do commercial rockets achieve reusability?
- What are astronauts?