There's no remaining explanation consistent with this new data, according to the author. “The comet-family idea was reasonably put forth as the best of

There's no remaining explanation consistent with this new data, according to the author. “The comet-family idea was reasonably put forth as the best of the proposals, even while acknowledging that they all were a poor lot,” he says. “But now we have a refutation of the idea, and indeed, of all published ideas.”