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The Guardian - UK
The Guardian - UK
Science
Nicola Davis Science correspondent

What is ‘the green comet’ and how can you see it?

Jake Foster Earth
C/2022 E3 (ZTF), a rare green comet
C/2022 E3 (ZTF), a rare green comet, last seen about 50,000 years ago. Photograph: Dan Bartlett/Nasa/PA

An exotic comet is causing excitement this week. We take a look at what we know about the unusual celestial object, and how best to catch a glimpse.

Why is this comet special?

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