
The Calabash Nebula, OH 231.8+04.2 — is a spectacular example of the death of a low-mass star like the sun.
Credit: ESA/Hubble & NASA, Acknowledgement: Judy Schmidt
The Calabash Nebula – which has the technical name OH 231.8+04.2 – is a spectacular example of the death of a low-mass star like the sun. NASA/ESA Hubble Space Telescope shows the star going through a rapid transformation from a red giant to a planetary nebula, during which it blows its outer layers of gas and dust out into the surrounding space. The recently ejected material is spat out in opposite directions with immense speed – the gas shown in yellow is moving close to 1M km/hr (621,371 miles/hr).
Astronomers rarely capture a star in this phase of its evolution because it occurs within the blink of an eye – in astronomical...
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