Only the known physics of our soaring emissions of greenhouses gases can explain events.
Other observations are not clearly answered by known physics.
The expansion of the universe is based on the application of known physics to astronomical observations.
Spending your time exploring each particle trail will lead you to conclude that all the particles obey known physics, and there's nothing left to discover.
Does the Higgs have to be "consistent with known physics"?
From this, perhaps further discussion can focus on the topics of dispute rather than questioning known physics.
Such a violation is impossible according to known physics.
Such infinite conditions are problematic with known physics because key calculations utterly collapse.
The answer is that near the throat the stress energy is peculiar but not obviously incompatible with known physics.
"They give no indication of any such technology," answered the ship, "and it is incompatible with known physics."