News tagged with planetary nebula

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The Ring Nebula

The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data of the Ring Nebula ...

dateNov 02, 2009 in Astronomy
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Sakurai's Object: Stellar evolution in real time

(Phys.org) —Stellar lifetimes are measured in billions of years, so changes in their appearance rarely take place on a human timescale. Thus an opportunity to observe a star passing from one stage of life to another on ...

dateApr 02, 2014 in Astronomy
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Stars akin to the Sun also explode when they die

The birth of planetary nebulae, resulting from the death of low and intermediate mass stars, is usually thought of as a slow process, in contrast with the intense supernovae that massive stars produce. But a recent study ...

dateFeb 16, 2015 in Astronomy
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New molecules around old stars

(Phys.org) —Using ESA's Herschel space observatory, astronomers have discovered that a molecule vital for creating water exists in the burning embers of dying Sun-like stars.

dateJun 17, 2014 in Astronomy
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Hubble sees a planetary nebula in the making

(Phys.org)—The Universe is filled with mysterious objects. Many of them are as strange as they are beautiful. Among these, planetary nebulae are probably one of the most fascinating objects to behold in the night sky. No ...

dateOct 12, 2012 in Astronomy
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