How to see the great conjunction of Jupiter and Saturn | Sciences



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Starwatch graphic

The moment has come. Keep your fingers crossed for clear skies tonight and whatever else you are doing, try to see the extraordinary conjunction of Jupiter and Saturn.

Known as a grand conjunction, each planet’s line of sight is now so close to each other that you probably won’t be able to tell them apart as separate objects. Find a place with a clear horizon to the southwest and look for the brightest thing you can see, low in the twilight sky – that object will be both Jupiter and Saturn.

The chart shows the view looking southwest from London on December 21 at 1700 GMT. Don’t be late, the planets will set early tonight.

The last time the planets were this close from our point of view on Earth was almost 400 years ago, on July 16, 1623. Of course, the planets are not really close together, Jupiter is currently 886,440 km from Earth and Saturn is another 733,205 km away. that. It happens that they are in the same direction. The conjunction is visible from most of the planet.

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