Sky Tonight—April 13, Moon close to Regulus – a

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Tonight, the waxing gibbous moon shines close to Regulus, the brightest star in the constellation Leo the Lion. Regulus is considered to be the Heart of the Lion in Leo. Regulus is also one of the four “Royal Stars” of ancient Persia. These Royal Stars mark the four quadrants of the heavens. They are Regulus, Antares, Fomalhaut, and Aldebaran. Regulus: Heart of the Lion Four to five thousand years ago, the ... Full Story