Comet returns after 37,000 years

A recently-discovered comet makes its closest approach to the Sun.

Moments later, it seems to be struck by a super-hot outburst of gas from the star.

This spectacular image was spotted on Tuesday by a spacecraft, the Solar and Heliospheric Observatory (Soho). The joint European Space Agency/Nasa satellite is designed to give warnings of stormy space weather that might affect the Earth.

Soho has photographed hundreds of comets around the Sun but this one, known as Neat, has only just been seen. It has been hovering in the evening sky for the past few weeks but is hardly visible without a telescope.

The comet, which goes by the official name C/2002 V1, is new to astronomers. Calculations show it has passed through the inner Solar System once before but this was 37, 000 years ago. The comet is unusual in that it is very large and very bright. In fact it is the brightest comet ever observed by one of Soho’s instruments. —BBC

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