The nearest star in our galaxy is actually three

The nearest star in our galaxy is actually three

The glare of Alpha Centauri, one of the brightest stars in planet Earth’s night sky, floods the left side of this southern skyscape. A mere 4.3 light-years distant, Alpha Centauri actually  consists of two component stars similar in size to the Sun, locked in a mutual orbit. Much smaller and cooler, a third member of […]