But it's a plausible theory.

A more plausible theory to explain motion perception (at least on a descriptive level) are two distinct perceptual illusions: phi phenomenon and beta movement.

Historically, this inventory was not introduced as an independent proposal, but instead arose as a modification of an earlier, typologically more plausible theory.

According to a less plausible theory of the cause of the crash, the release valve got stuck in the open position, thus releasing the hydrogen.

There have been countless explanations, from alien abductions to methane eruptions, and here a team of investigators put some of the more plausible theories to the test.