X-ray Observations of Planetary Nebulae since WORKPLANS I and Beyond
Planetary nebulae (PNe) were expected to be filled with hot pressurized gas driving their expansion. <i>ROSAT</i> hinted at the presence of diffuse X-ray emission from these hot bubbles and detected the first sources of hard X-ray emission from their central stars, but it was not until t...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-03-01
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| Series: | Galaxies |
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| Online Access: | https://www.mdpi.com/2075-4434/8/1/24 |