Earth’s moon joins rare 5-planet alignment on June 23

It’s officially summer in the Northern Hemisphere, and half of the solar system wants to get in on the action. For the remainder of June, stargazers taking the red-eye shift will be able to see five planets line up in the predawn sky: MercuryVenusmars, Jupiter and Saturn† Remarkably, the planets will appear in order of their proximity to the sunwith Mercury visible closest to the horizon while the other planets arc neatly across the southern and eastern sky.

From Thursday (June 23) to Saturday (June 25), Earth’s moon will also join the planetary parade, creating an exceptionally rare procession of celestial bodies. According to Live Science’s sister site space.coma planetary alignment like this hasn’t occurred since March 5, 1864 — 158 years ago.

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