144 citations · 901 across the 34 of their papers we have counts for
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astro-ph.SR2026
Proto-Planetary Nebulae Are Not the Precursors of Planetary Nebulae With Close Binary Central Stars
Todd C. Hillwig, Bruce J. Hrivnak, David Jones
Proto-planetary nebulae are considered to be the evolutionary link between AGB stars and planetary nebulae. They possess many of the physical characteristics expected of such a lin…
astro-ph.SR2026★ 1 cited
Current Unsolved Problems in Planetary Nebulae Research
Sun Kwok, Bruce Balick, You-Hua Chu +5
While there has been significant progress in our understanding of the origin and evolu-tion of planetary nebulae in the last 50 years, there remain several unsolved problems. These…