Rasalgethi, (Arabic: رأس الجاثي ra‘is al-jāthī 'Head of the Kneeler'). also called as Alpha Herculis, is a red giant star. It is the brightest star in the Hercules constellation.
Images for kids
A view of Alpha Herculis in a small telescope. The components A and B are resolved with angular separation of 4.64 (in 2020).