Astronomers using NASA’s Hubble Space Telescope have captured a striking new image of the planetary nebula NGC 5189. This is the planetary nebula NGC 5189 (NASA / ESA / the Hubble Heritage Team / STScI / AURA) Planetary nebulae represent a final brief stage in the life of a star like the Sun. While consuming the last of the fuel in its core, the star expels a large portion of its outer regions, which then heats up and glows brightly, showing intricate...