Tag Archives: planetary nebulae

Scientists reveal the unexpected structure of the Southern Ring Nebula: ‘We are disappointed’

The majestic, undulating Southern Rim Nebula is the cocoon of a dying star and has a secret. Scientists found that this nebula has a double-ring structure, proving that it has not one but three stars at its center. The Southern Ring Nebula, also called NGC 3132, is a planetary nebula located approximately 2,000 km away.… Read More »

Where is the missing sulfur in the universe?

Astronomers may have solved the mystery of why the death shrouds of dead stars appear to lack sulfur, an element once known as “brimstone” and associated with the Biblical phrase “fire and brimstone.” According to theory, significant amounts of sulfur should be present in stellar debris fields throughout the universe. So where did the sulfur… Read More »