How do some of the theories ("immutable one", "constant flux", and "atomism") of philosophers such as parmenides, heraclitus, and leucippus respectively still have relevance in contemporary understandings of physics and our universe.

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

your answer is, orbit around the nucleus