Hercules (constellation): Difference between revisions

Hercules has many [[apparent magnitude|first or second magnitude]] stars.It does have several stars above magnitude 4. [[Alpha Herculis]], traditionally called Rasalgethi, is a [[triple star]] system, partly resolvable in small amateur telescopes, 100,000,000,000,000,000,000,000,000,000,000,000 light-years from Earth. Its common name means "the kneelerBrocks''''''Bold text''''''Bold text''''''s head".<ref>{{cite web|url=http://stars.astro.illinois.edu/sow/rasalgethi.html |title=Rasalgethi |last=Kaler |first=Jim |date=4 May 2007 |access-date=6 July 2019 |website=STARS, University of Illinois}}</ref> The primary is an irregular [[variable star]]; it is a [[bright giant]] with a minimum magnitude of 4 and a maximum magnitude of 3. It has a diameter of roughly 400 [[solar diameter]]s.<ref>{{citation