‘Christmas Star’ will be closest visible conjunction of Jupiter and Saturn in 800 years, Report

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'Christmas Star' will be closest visible conjunction of Jupiter and Saturn in 800 years, Report
'Christmas Star' will be closest visible conjunction of Jupiter and Saturn in 800 years, Report

A rare planetary alignment could create a ‘Christmas star’ similar to that which is said to have led the three wise men to the nativity scene, according to an astronomer.

On Monday, Saturn and Jupiter will come the closest they have done in centuries creating what the researcher described as a ‘spectacular event in the sky’.

While conjunctions – where objects appear very close to each other in the sky – are not unusual, this will be an ‘exceptionally close’ one – the closest since 1623, Professor Michael Burton said.

The two biggest planets in the solar system will be just 0.1 degrees apart, one-fifth the diameter of the full moon, and appear together as the brightest object in the sky, the director of the longest-running astronomical observatory in the British Isles said.

Prof Burton said: “When that happened it was in the daytime skies so people would not have seen it because it would have been too light.

“The last one which actually would have been well placed to be seen was 1226, so we’re going back 800 years to the last one which would have been up in the dark sky to be seen.”

The astronomer, of Armagh Planetarium and Observatory in Northern Ireland, said a conjunction is one possibility for what has become known as the Christmas Star from the story of Jesus’ birth.

He said: “Certainly one of the possibilities might have been two of the planets coming together.

“The whole question of what might the Christmas star have been is a very interesting question in its own right.

“Whether it was a conjunction, whether it was a comet, whether it was a supernova. No-one actually knows what it was.”

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