Crash Course Astronomy | White Dwarfs & Planetary Nebulae: Crash Course Astronomy #30 | Episode 30 | PBS

Today Phil follows up last week's look at the death of low mass stars with what comes next: a white dwarf. White dwarfs are incredibly hot and dense objects roughly the size of Earth. They also can form planetary nebulae: huge, intricately detailed objects created when the wind blown from the dying stars is lit up by the central white dwarf.