Units of massEdit
- A single humpback whale has a mass of "about 40 tons". (TOS movie: Star Trek IV: The Voyage Home)
- Balok's cube had a mass of "about 2,000 metric tons". (TOS episode: "The Corbomite Maneuver")
- When the star Doona became a supernova, a surviving piece had a mass of 10,000 tons. (TOS comic: "When Planets Collide")
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