text:  This atmosphere of the sun extending to the utmost limits of our planetary system! What proof have we that it ever existed? what possible grounds have we for believing what motive even for imagining such a thing but the very same description of proof given and rejected for the existence of a luminiferous ether--namely that it enables us to explain certain events supposed to result from it? Nor is the thing here imagined any the less a novelty because it bears the old name of an atmosphere