. Astronomy for students and general readers . away fromthe suns limb, while those near it are lost in a glare of light, beingover-exposed, and so on. In this way a series of photographsgives us the means of building up, as it were, the whole coronafrom its brightest parts near the suns limb out to the faintest por-tions which will impress themselves on a photographic ]>late. The corona and red prominences are solar was formerly doubtful whether the corona was anatmosphere belonging to the sun or to the moon. At theeclipse of 1860 it was proved by measurements that thered prom
. Astronomy for students and general readers . away fromthe suns limb, while those near it are lost in a glare of light, beingover-exposed, and so on. In this way a series of photographsgives us the means of building up, as it were, the whole coronafrom its brightest parts near the suns limb out to the faintest por-tions which will impress themselves on a photographic ]>late. The corona and red prominences are solar was formerly doubtful whether the corona was anatmosphere belonging to the sun or to the moon. At theeclipse of 1860 it was proved by measurements that thered prominences belonged to the sun and not to the moon,since the moon gradually covered th^m by its motion,they remaining attached to the sun. The corona has alsosince been shown to be a solar appendage. TOTAL ECLIPSES OF THE SUN. 301 The eclipse of 1851 was total in Sweden and neigh-boring parts, and was very carefully observed. Similarprominences were seen about the suns limb, and one ofso bizarre a form as to show that it could by no possibility. Fig. 82.—dkawihg of the corona made dtjbing the eclipsb opAroTjsT 7, 1869. be a mountain or solid mass, since if such had been thecase it would inevitably have overturned. It was there-fore a gaseous or cloud-like appendage belonging to the 303 ASTRONOMY.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublis, booksubjectastronomy
