Magazine article Natural History

Occulting the Little King

Magazine article Natural History

Occulting the Little King

Article excerpt

Regulus (Latin for "prince," or "little king") is known as the Heart of the Lion in the constellation Leo. It is the only 1st-magnitude star to sit almost squarely on the ecliptic, the Sun's yearly path that passes in front of the constellations of the zodiac; Regulus lies only 0.46° from the ecliptic line. Consequently, it is frequently occulted, or hidden, by the Moon. Occultations of Regulus happen in cycles of roughly 9 years and each cycle lasts about 18 months. The current cycle began last year on December 18 and will come to an end on April 24 of next year. Each month the Moon will cross paths with Regulus, hiding it from view in various parts of the world. This month, early on the morning of the 15th, the event can be viewed in most of the contiguous United States-except the Pacific Northwest and parts of the Northern Plains- and in a southeast slice of the Canadian provinces of Ontario, Quebec, and the Maritimes. …

Search by... Author
Show... All Results Primary Sources Peer-reviewed

Oops!

An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.