Meet Crux, the constellation of the Southern Cross earthsky.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from earthsky.org Daily Mail and Mail on Sunday newspapers.
Star classification often depends on the mass of these suns the biggest burn hottest and brightest, while other types of stars are cooler and longer-lived.
The Southern Cross has long been a celestial landmark for explorers and travelers. The iconic group of stars is visible mainly from the Southern Hemisphere.