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Units & Dimensions - Physics | The Lab | Quantato

Units & Dimensions

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Units & Dimensions

SI units, derived units, and dimensional analysis

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✏️ Practice

The $125 Million Unit Error

In 1999, NASA lost a spacecraft because of a simple unit mismatch. Can you figure out what went wrong?

The Mars Climate Orbiter was supposed to orbit Mars at 140 km altitude. Instead, it dove into the atmosphere at just 57 km and was destroyed.

The Challenge: What Caused the Crash?

What do you think caused this $125 million failure?

Think about it! What kind of error could make a spacecraft miss its target by 83 km?