it is composed of ice and dust
the bright cloud of gas that surrounds their nuclei as they approach the sun makes the surface difficult to determine.
The physical properties of the meteors are that they are rocky and parts of other asteroids.
Depth, density, and dynamical ellipticity are physical properties of Earth.
it is iron
Some antonyms for physical properties are abstract properties, immaterial properties, or conceptual properties. These terms describe characteristics that are not related to the physical attributes of an object or substance.
Only some properties are visually identifiable: color for example.
physical
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sweet taste
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Not known today
calcium and or oxygen