SpaceX rocket landing

[Chris]

Why is it I find watching a rocket peacefully land so much more impressive than watching a rocket be used to create destruction through a nuclear explosion.

Never get tired of watching this.

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[Chris]

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What is supersonic retro propulsion?

Answer: “Supersonic retro propulsion” is firing a rocket into an oncoming supersonic air flow. SpaceX needed it to recover their Falcon 9 boosters but NASA had little data on it (for Earth-type atmospheres) but long term plans to do some tests. So SpaceX did some experiments after customer laun...

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[Chris]

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