surface mass ejection

surface mass ejection Stock Photo
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Image details

Contributor:

Science Photo Library / Alamy Stock Photo

Image ID:

2T9E334

File size:

57.6 MB (912 KB Compressed download)

Releases:

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Dimensions:

3937 x 5118 px | 33.3 x 43.3 cm | 13.1 x 17.1 inches | 300dpi

Date taken:

21 November 2023

More information:

A surface mass ejection (SME), depicted in this illustration, is a relatively recently discovered phenomenon in stellar astrophysics. They are similar to coronal mass ejections but on a far larger scale. During an SME, a star can release hundreds of billions of times more material than a coronal event, equivalent to the mass of a small planet. This was first observed in the red supergiant Betelgeuse in the constellation of Orion.