‘Celestial smile’ to greet very early risers

Otago Museum Director, Dr Ian Griffin. PHOTO: PETER MCINTOSH
Otago Museum Director, Dr Ian Griffin. PHOTO: PETER MCINTOSH
If you get up at 4.56am tomorrow, go outside, do a handstand and turn to the east, neighbours might think you are a hardcore fitness guru.

Even better, you will also get to see a rare cosmic event unfold as Venus, Saturn and a crescent moon align to create a "celestial sad face" in the pre-dawn sky.

That should cheer you up.

Dunedin astronomer and Tūhura Otago Museum director Dr Ian Griffin said the rare triple conjunction would have Venus and Saturn acting as the eyes, while the crescent moon would form the mouth.

"The close passage of the waning crescent moon through this area of the sky should bring joy to all except the most miserable stargazers."

And if it did not amuse you, he said you could travel to the northern hemisphere where Venus and Saturn would be above the crescent moon, creating a "celestial smile".

Either way, it would be an "elegant planetary gathering", Dr Griffin said.

"The moon’s slender crescent will be illuminated by the Sun, and you’ll also notice its darkened portion glowing faintly — this phenomenon is called ‘earthshine’, which is the gentle light from our planet reflecting off the moon’s night side.

"The planetary lineup and the ghostly glow of the moon promise a memorable and photogenic start to the day."

To get the best view, find a spot with a clear eastern horizon and minimal light pollution.

Venus and Saturn will be visible to the naked eye, but binoculars or a telescope will offer a more detailed look at the crescent moon.

For those with a perfect view of the horizon, Mercury would also make a brief appearance below the celestial trio, he said.

john.lewis@odt.co.nz

 

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