. Astronomy for high schools and colleges . ther 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 plate. 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 promin
. Astronomy for high schools and colleges . ther 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 plate. 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 them 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.—drawing of the corona made during the eclipse opAUGUST 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-hke appendage belonging to the 303 A8TB0N0MT.
Size: 1569px × 1593px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublis, booksubjectastronomy
