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25th Feb 2025

Rare planetary parade set to be visible from Ireland this month

Zoe Hodges

You won’t want to miss this

Our solar system’s planets are set to align in a seven-strong planetary parade this week that will be visible in Irish night sky.

The celestial event is set to be an extension of the already impressive six planets that aligned last month with the closest planet to the sun, Mercury, set to join the party.

This will lead to a full house of Solar System planets being on display at the same time – Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune.

CHONGQING, CHINA – SEPTEMBER 05: Venus appears in conjunction with a crescent moon in the evening sky on September 05, 2024 in Chongqing, China. (Photo by Cheng Xin/Getty Images)

The official astronomical term is planetary alignment, which describes the event when several planets gather closely on one side of the Sun at the same time.

You won’t want to miss this rare phenomenon as it is not due to happen again until 2040.

Five of these planets (Mercury, Venus, Mars, Jupiter, and Saturn) will be easily visible to the naked eye. You’ll need a telescope or high-powered binoculars to see Neptune and Uranus.

Six of the planets have been on display throughout January and February, while to catch all seven you’ll only have one evening for the occasion.

Weather permitting, the 28th February will be the night to catch the historic glimpse, with such alignments rarely happening due to the planets’ varying orbits.

The planets are all different sizes and are different distances from the sun meaning that the time it takes for them to rotate around the Sun differs for each planet.

While Earth takes 365 days, Neptune takes 60,190 days while Mars takes 687 days which is why it is rare to get them all in a planetary parade.

To make sure you find every planet easily, use the free Sky Tonight app.

The app is user-friendly, perfect for beginners and experts alike.

Jenifer Millard, a science communicator and astronomer at Fifth Star Labs in the UK said: “There is something special about looking at the planets with your own eyes.

“Yes, you can go on Google and get a more spectacular view of all these planets. But when you’re looking at these objects, these are photons that have travelled millions or billions of miles through space to hit your retinas.”