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| the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years |
| the magnitude or brightness of a star as it appears to an observer on the earth |
| cislunar (sɪsˈluːnə) | |
| —adj | |
| Compare translunar of or relating to the space between the earth and the moon | |