Looking Up column: The Earth and moon have company: 2020 CD3

Full moon is this Monday, March 9. As we gaze upon our faithful natural satellite, its orbital routine we have known since man or woman first paid attention to the night sky, we might feel reassured that our home, the Earth, has its one companion, traveling with us on our perpetual journey around the sun. Now we are told, that temporarily, we have a second moon, a very small one that has gone unnoticed for years.Astronomers at the Catalina Sky Survey have discovered a “mini- […]  » Read More

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