SOFIA Helps Reveal a Destroyed Planetary System
These observations provide one potential explanation for the fate of these planetary remains.
- These observations provide one potential explanation for the fate of these planetary remains.
- The Helix Nebula is an old planetary nebula – expanding, glowing gas ejected from its host star after its main-sequence life ended.
- The nebula has a very young white dwarf at its center, but this central white dwarf is peculiar.
- To answer the question of where this excess emission comes from, the astronomers first determined where it could not have come from.