>"In the beginning, God created the heavens and the Earth..." is not all that different from "...in an instant, 10^100 grams of protomatter blasted out of nothingness".
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>As to life, did it start here? Did it come here, as prebiotic and biotic panspermia theories suppose?
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>I worry that this ruling could stifle creative approaches to these questions.

I don't see it that way. I've read some relevant parts of the decision, and it's basically saying you can't insert creationism in sheep's skin into the science curriculum in public schools, period.

Research, creative interpretations etc are still widely open and weren't, IMO, subject of the ruling.