Planetary nebula WR 72 has hydrogen-poor knots, study finds

Planetary nebula WR 72 has hydrogen-poor knots, study finds
Using the Southern African Large Telescope (SALT), astronomers have conducted spectroscopic and imaging observations of the planetary nebula WR 72. They discovered hydrogen-poor knots in the central part of the nebula, which could be helpful in improving knowledge about the nature of this object. The finding is detailed in a paper published December 23 on arXiv.org.
phys.org
Go to Source