Space
Why do rocket launchpads flood with water?
The deluge is not simply an attempt to put out the rocket. It helps protect the launch system from the intense pressure waves created at ignition.
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Space
Start with a scene. Leave with an explanation.
Space
Why did a spacecraft sink into asteroid Bennu?
It looked like rocky ground. The sampling arm found something much easier to disturb: a loosely packed surface in extremely weak gravity.