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For millennia, humans have gazed at the night sky, marveling at celestial rhythms from the moon’s phases to stellar constellations. The phenomenon of planets aligning—known as a planetary alignment—is one of the most striking patterns. On February 28, 2025, a rare alignment will feature every planet in our solar system except Earth.
Alignments involving two to four planets occur several times annually and are often called minor or small alignments. They happen as the planets travel along the ecliptic plane, bringing them to the same side of the Sun. From Earth, these bodies appear in a near‑linear arrangement, though perfect straightness is rare due to their orbital inclinations. Alignments of five or six planets are uncommon, and a full seven‑planet alignment—what will happen in 2025—is exceptionally rare.
On February 28, 2025, the planets will align in a near‑straight line from west to east as seen from the Northern Hemisphere: Saturn, Mercury, Neptune, Venus, Uranus, Jupiter, and Mars. Five of them—Saturn, Mercury, Venus, Jupiter, and Mars—will be visible to the naked eye, while Neptune and Uranus will require a telescope due to their faintness.
Because Saturn and Mercury will be near the Sun during the event, optimal viewing requires careful timing. When celestial bodies cluster near the Sun, they are harder to spot, and the viewing window narrows.
The alignment is observable from all locations on Earth, but you’ll benefit from dark skies away from city glare to best see Saturn and Mercury. Clear weather enhances visibility, so consider traveling to a region known for low cloud cover if possible.
A suitable telescope is essential for spotting the distant Uranus and Neptune. A 4‑inch (≈10 cm) aperture telescope at roughly 150× magnification will reveal Uranus, while Neptune requires a minimum 8‑inch (≈20 cm) aperture and 100× magnification.