Jimmy Westlake: 3 Leaps of the Gazelle | SteamboatToday.com

Jimmy Westlake: 3 Leaps of the Gazelle

Jimmy Westlake

If you can locate the Big Dipper, then you can find the “Three Leaps of the Gazelle” nearby. Look high in the western sky at about 9:30 p.m. in late May.

If you can locate the Big Dipper, then you can find the "Three Leaps of the Gazelle" nearby. Look high in the western sky at about 9:30 p.m. in late May.

— I love star lore. The legends and stories attached to the stars carry us back centuries or even millennia and tell us not only about the stars, but also about the stargazers of old.

With that in mind, I'd like to tell you a story about three pairs of stars you can spot high in the western sky as darkness falls in late spring. Modern star charts indicate that these stars are the toes of the Great Bear, Ursa Major, but to the Arabs of the Middle Ages, these stars were the "Kafzah al Thiba," or the "Three Leaps of the Gazelle." To locate them, we first need to find the Great Bear herself.

This time of the year, Ursa Major is awkwardly positioned upside down, high overhead in the northern sky. Try this: spread a blanket on the ground and lay down on your back with your feet pointed south. Now, as you glance back toward the north, you can see Ursa Major right side up without getting a creak in your neck.

The seven bright stars of the Big Dipper should immediately jump out at you. Our asterism called the Big Dipper forms the hindquarters and tail of the Great Bear. Just in front of the bowl of the Big Dipper, you can find the star Muscida marking the Bear's nose. The long tail of this celestial bear curves off to the east and points to the brightest star of spring, Arcturus. The two stars at the end of the Dipper's bowl always point toward our North Star, Polaris. The legs and toes of the Great Bear extend upward from the Dipper, tickling the overhead point of the sky. The six stars that mark the Bear's toes, in three distinct pairs, are very prominent.

The great Arabian astronomer named Ulugh Beg first recorded these six stars as the "Kafzah al Thiba," back in the early 1400s, not long before Columbus sailed the ocean blue. The Gazelle was imagined grazing among the stars that form our faint constellation of Leo Minor, the Little Lion. When the Big Lion, Leo, swished his tail across the sky, it startled the gazelle. He then made three quick jumps off to the east and left three pairs of glowing hoof prints behind. The faint mist of stars that forms our constellation Coma Berenices represents the tuft of hair on the end of Leo's tail.

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I can imagine this comical celestial drama playing out in the spring stars each time I spot the "Kafzah al Thiba." Give it a try next time you're out under a starry sky.

Jimmy Westlake teaches astronomy and physics at Colorado Mountain College's Alpine Campus. He is an avid astronomer whose photographs and articles have been published all across the world. Check out Jimmy's astrophotography website at http://www.jwestlake.com.

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