<ul><li>A rare seven-planet alignment, known as a planetary parade, will occur on the last day of February.</li><li>The visibility of the planets in the parade depends on their proximity to the horizon.</li><li>Mercury, Neptune, and Saturn will be hard to see, while Venus, Jupiter, and Mars will be easily visible to the naked eye.</li><li>Planetary parades with more than four or five planets are rare, with the next predicted alignment set to occur in 2040.</li></ul>

Planetary parade: Mercury falls into line for rare seven-planet alignment

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