Castor
Castor, Alpha Geminorum (α Gem), is a sextuple star system located in the constellation Gemini. It is composed of three binary pairs designated Castor A,… Read More »Castor
Vega
Achernar
Achernar, Alpha Eridani (α Eri), is a class B hydrogen-fusing dwarf located in the constellation Eridanus. Its estimated luminosity is 3,150 times that of the… Read More »Achernar
Merak
Merak, Beta Ursae Majoris (β UMa) is a blue-white subgiant star in the constellation Ursa Major. It is one of the four bright stars that… Read More »Merak