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Paul Byrne@theplanetaryguy.com · 3w ago

This is Comet Leonard during its approach to the Sun, imaged by Gerald Rhemann on Christmas Day 2021. The comet had been discovered earlier that year, and broke apart in 2022. This photo won the overall prize for Rhemann of the Royal Observatory Greenwich's Astronomy Photographer of the Year 2022.

A bright point of light at the top of the image is the comet's nucleus; the comet's gas and dust tails trail from the nucleus to the bottom of the image. Complex structures in the dust tail result from outbursts from the nucleus as it undergoes solar heating.