A physical property is any observable or measurable characteristic of an object.

When Spock inquired as to the "the nature of" the spores that Leila Kalomi wanted to show him, she told him that "Its basic properties and elements are not important. What is important is it gives life, peace, love." (TOS: "This Side of Paradise")

While investigating the means for eradicating the neural parasite that had infested Deneva, it was discovered that the key was somehow associated with the Denevan sun in 2267. Aside from heat and radiation, Captain James T. Kirk brainstormed with Spock and Doctor Leonard McCoy to determine what "other qualities or properties" the sun has. Spock further established that "It exists physically. It occupies space. It has mass, therefore gravity. It converts matter to energy." Kirk finally came to the correct conclusion that "It's bright. It radiates a blinding light if you're close enough," due to the corresponding fact that the neural parasites lived in the shadows. (TOS: "Operation -- Annihilate!")

List of physical properties Edit

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