A joule (symbol J) was a unit of energy. Comparable units included electronvolt and calorie.

Comparative list of energies Edit

Microjoule = 0.000,001 joules
Millijoule = 0.001 joules
Kilojoule = 1 thousand joules
Megajoule = 1 million joules
This implies the full energy reserves of the Magellan were about 40 megajoules.
Gigajoule = 1 billion joules
Terajoule = 1 trillion joules
These numbers would be more accurately represented as 30-90 exajoules.
Exajoule = 1 quintillion joules

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