The Interacting Stellar Winds (ISW) model 1 describes planetary nebula (PN) formation as the interaction between a slow, dense asymptotic giant branch (AGB) wind (\(\sim\) 10 km/s) and a subsequent ...
How long do planetary nebulae last on average? What are some of the controlling factors? Doug Kaupa Council Bluffs, Iowa To understand how long a planetary nebula remains visible, we first need to ...
Looking for a sky event this week? Check out our full Sky This Week column. June 22: Visit the North America Nebula Mercury ...
An international team of astronomers has employed the James Webb Space Telescope (JWST) to observe a complex planetary nebula known as NGC 6302. The observations, detailed in a paper published Feb. 25 ...
The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “Eye of Sauron.” It is also one of the closest bright nebulae to Earth, located ...
Planetary nebulae represent a brief but crucial phase in the life cycle of low- to intermediate-mass stars (1–8 M⊙). After exhausting hydrogen and helium in their cores, such stars ascend the ...
Oregon stargazers have plenty of reasons to look up throughout August – a month marked by meteor showers, planetary conjunctions, and even a visible nebula. A formation known as the "dumbbell nebula" ...
Using the Multi Unit Spectroscopic Explorer (MUSE) and the Manchester Echelle Spectrograph (MES), astronomers from Turkey and ...