How Ireland’s 70,000 km² Compares to the Universe

On September 4, 2026, the UN General Assembly backed an African-led resolution encouraging wider use of map projections that more accurately represent relative continental sizes, drawing renewed attention to geographic distortions.

Measuring Ireland Against the Scale of the Earth and the Sun

Ireland spans an area of roughly 70,000 square kilometres. When measured against the Earth’s total surface area of about 510 million square kilometres, Ireland accounts for a mere 0.014 percent of the globe. Scaling up further, the Sun dwarfs our home planet entirely. The Sun measures about 109 Earths across, with an internal volume capable of holding a staggering 1.3 million Earths.

Planetary Sightings in the October Evening Sky

Observing the night sky shifts these proportions into plain view. Saturn appears in the eastern evening sky during October as a steady, slightly golden star roughly nine times the diameter of the Earth. Mars spans about half of Earth’s diameter, while Jupiter measures about 11 times Earth’s width. Both planets are easily visible this month, appearing remarkably similar despite their physical disparities. On October 5th, the Moon passes close to the reddish-hued Mars, followed by a close approach to the bright gas giant Jupiter on October 6th.

Stellar Distances Beyond the Solar System

Venture beyond the solar system and stellar distances stretch comprehension. Sirius, the nearest visible star beyond the Sun from Ireland, sits more than 540,000 times farther away than the Sun and rises around 10:30 pm by late October. Meanwhile, the Pleiades cluster—often called the Seven Sisters—begins appearing in the eastern sky shortly after sunset. Each member of this cluster is a star larger and hotter than our Sun, positioned 52,000 times farther away than Sirius.

Navigating the Milky Way and Circumpolar Constellations

The W-shaped constellation Cassiopeia remains high in the northern sky throughout autumn, serving as an enduring circumpolar landmark that never sets from Ireland. Under dark sky conditions, adaptation reveals the Milky Way stretching from horizon to horizon as a hazy band running directly through Cassiopeia, containing hundreds of billions of stars and spanning roughly 11.6 million times the distance to Sirius.

Photo of author

Sophie Lin - Technology Editor

Sophie is a tech innovator and acclaimed tech writer recognized by the Online News Association. She translates the fast-paced world of technology, AI, and digital trends into compelling stories for readers of all backgrounds.

Australian shoppers clear out Crocs in Amazon sale