Five major planets to line up in rare planetary conjunction

Five major planets to line up in rare planetary conjunction

From BBC

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Five major planets in our solar system will shine brightly in a row during a rare planetary conjunction from Friday.

If the sky is clear, the naked eye alone will be enough to see Mercury, Venus, Mars, Jupiter, and Saturn glowing before dawn.

It’s a special opportunity to see Mercury, which is usually obscured from view by the Sun’s bright light.

The conjunction is best seen on Friday but will remain visible until Monday from most parts of the world.

The last time this conjunction happened was 2004 and it won’t be seen again until 2040.

The planets will appear “like a string of pearls spread out from close to the horizon”, explains space scientist and chief stargazer at the Society for Popular Astronomy Prof Lucie Green.

It is also a special event because the planets will appear in the order they are positioned from the sun.

That isn’t always the case for planetary conjunctions because of our perspective from Earth looking into the solar system, Prof Green says.

On Friday a crescent Moon will also join the line-up, appearing between Venus and Mars.

The northern hemisphere, including the UK, will get the best views between 45 and 90 minutes before sunrise. Look eastwards and very close to the horizon, ideally from a high spot like a hill. Large buildings or trees will obscure the view. You’ll need to rise early, because as soon as the sun comes up it will wash out the sky, obscuring the planets.

But they can be seen with the naked eye

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