The globular cluster has an angular diameter of 30 ‘and an apparent brightness of 6 ^ m, the distance and number
| September 15, 2020 | Education
The globular cluster has an angular diameter of 30 ‘and an apparent brightness of 6 ^ m, the distance and number of stars are unknown. Estimate the illumination of the night sky on a planet orbiting one of the cluster stars.
The entire sky will have the same surface brightness as the cluster in the Earth’s sky, the hemisphere will have a magnitude of about -5 ^ m.
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