Alpha Herculis is a red supergiant star located in the constellation Hercules. It is a variable star, meaning that its brightness changes rather than being constant. It is about 400 light years from the sun.[1]
Alpha Herculis is a red supergiant star located in the constellation Hercules. It is a variable star, meaning that its brightness changes rather than being constant. It is about 400 light years from the sun.[1]