I once asked a physics Q&A site, "Is physical reality possible without an

I once asked a physics Q&A site, "Is physical reality possible without an

I once asked a physics Q&A site, "Is physical reality possible without an observer?" They told me it was to broad of a question, and I got no answer. But from a philosophical or metaphysical stand point, is there an answer? I'm aware of the Copenhagen Interpretation of QM, and it's requirement of observation and measurement for existence of macroscopic structure to be. If, in philosophy, an observer is needed, then how did galaxies, stars, planets, and the Universe itself, come into being? Also, can other organisms other than human beings, make a measurement, and thereby effect their ambient reality? Sun Flowers, for instance, follow the moving sun as it traverses across the sky, via heliotropism. Can this be considered making a measurement?

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