1 E21 J
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To help compare different orders of magnitude we list here energies between 1021 joules (a zettajoule, symbol ZJ) and 1022 joules.
- Weaker energies
- 3.6 × 1021 J – 1,000,000 TWh
- 3.7 × 1021J – global annual photosynthetic energy capture[1]
- 6.0 × 1021 J – energy in world's estimated natural gas reserves (2003)
- 7.4 × 1021 J – energy in world's estimated petroleum reserves (2003)
- Stronger energies