Sky & Telescope - June 2024 - 24

DRACO
γ
Eltanin
β
Rastaban
LYRA
Vega
α
HERCULES
β
α
DRACO'S
DUO
accidental. It also seems likely that
the Mizar system and the Alcor
system orbit each other, forming a
triply nested binary system, with a
total of six components. If so, MizarAlcor
is one of the very few true binaries
that can be split without optical aid.
Legends about Mizar and Alcor generally
Face east after
sunset on late-spring
or early-summer evenings
- about 15° (the distance
between your index and pinkie
fingers held at arm's length)
above the Lyre's lucida, Vega,
you should spot the stars
that mark the Dragon's
eyes.
treat them in the context of the larger asterism.
That's true of all the many Mizar-Alcor stories in Dorcas S.
Miller's handy sourcebook Stars of the First People, a compendium
of Native American star lore collected by many different
anthropologists. Often the Big Dipper's Bowl is a bear,
Mizar is one of a line of hunters in pursuit, and Alcor is his
wife, sister, dog, or cooking pot.
24 JUNE 2024 * SKY & TELESCOPE
Three other famous star pairs in Ursa Major are
Talitha and Alkaphrah (Iota and Kappa Ursae
Majoris); Tania Borealis and Tania Australis
(Lambda and Mu); and Alula Borealis and Alula
Australis (Nu and Xi). None of these are especially
bright, but they stand out well in the vast sea of more
challenging stars between the Big Dipper, Leo, and
Gemini due to the fact that they're all reasonably tight and
evenly matched.
The S&T stick figure for Ursa Major, the Great Bear,
reflects Ptolemy's Almagest, which describes Tania Borealis
and company as marking three of the bear's paws. (The
fourth paw is mysteriously missing.) Can you make out the
bear? I've always had trouble doing so; the standard assignments
seem all wrong. According to Ptolemy, the bear has a

Sky & Telescope - June 2024

Table of Contents for the Digital Edition of Sky & Telescope - June 2024

Contents
Sky & Telescope - June 2024 - Cover1
Sky & Telescope - June 2024 - Cover2
Sky & Telescope - June 2024 - 1
Sky & Telescope - June 2024 - Contents
Sky & Telescope - June 2024 - 3
Sky & Telescope - June 2024 - 4
Sky & Telescope - June 2024 - 5
Sky & Telescope - June 2024 - 6
Sky & Telescope - June 2024 - 7
Sky & Telescope - June 2024 - 8
Sky & Telescope - June 2024 - 9
Sky & Telescope - June 2024 - 10
Sky & Telescope - June 2024 - 11
Sky & Telescope - June 2024 - 12
Sky & Telescope - June 2024 - 13
Sky & Telescope - June 2024 - 14
Sky & Telescope - June 2024 - 15
Sky & Telescope - June 2024 - 16
Sky & Telescope - June 2024 - 17
Sky & Telescope - June 2024 - 18
Sky & Telescope - June 2024 - 19
Sky & Telescope - June 2024 - 20
Sky & Telescope - June 2024 - 21
Sky & Telescope - June 2024 - 22
Sky & Telescope - June 2024 - 23
Sky & Telescope - June 2024 - 24
Sky & Telescope - June 2024 - 25
Sky & Telescope - June 2024 - 26
Sky & Telescope - June 2024 - 27
Sky & Telescope - June 2024 - 28
Sky & Telescope - June 2024 - 29
Sky & Telescope - June 2024 - 30
Sky & Telescope - June 2024 - 31
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Sky & Telescope - June 2024 - 33
Sky & Telescope - June 2024 - 34
Sky & Telescope - June 2024 - 35
Sky & Telescope - June 2024 - 36
Sky & Telescope - June 2024 - 37
Sky & Telescope - June 2024 - 38
Sky & Telescope - June 2024 - 39
Sky & Telescope - June 2024 - 40
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Sky & Telescope - June 2024 - 42
Sky & Telescope - June 2024 - 43
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Sky & Telescope - June 2024 - 49
Sky & Telescope - June 2024 - 50
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Sky & Telescope - June 2024 - 79
Sky & Telescope - June 2024 - 80
Sky & Telescope - June 2024 - 81
Sky & Telescope - June 2024 - 82
Sky & Telescope - June 2024 - 83
Sky & Telescope - June 2024 - 84
Sky & Telescope - June 2024 - Cover3
Sky & Telescope - June 2024 - Cover4
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