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A clash among members of a famous galaxy quintet reveals an assortment of stars across a wide color range, from young, blue stars to aging, red stars. Ancient Greek astronomers paved the way for our modern understanding of the heavens. Credit:
NASA and ESA Public Domain
Business moguls Sir Richard Branson and Jeff Bezos should be thanking ancient Greek astronomers for being able to realize their travel off the face of the earth and into space this month. Virgin Galactic’s Branson hopes to beat Amazon CEO Bezos to travel to space, announcing plans to be “Astronaut 001” on the firm’s July 11 test flight.