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stars
Title: stars
Category: Science & Technology
Details: Words: 626 | Pages: 2.7 (approximately 235 words/page)
stars
CONSTELLATIONS
Constellations are groupings of the brighter visible stars in the night sky.
Many of these groupings are based on imaginary figures that are seen on the inner
surface of a huge sphere surrounding the earth.
They divide the celestial sphere into 88 constellations, 47 of
which date from ancient times and were listed by the astronomer Ptolemy. The
boundaries are often complex. But all segments of the boundaries lie ease-west
and north-south on the celestial sphere.
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…showed last 75 words of 626 total…named in Antares, meaning "rival to Mars," probably because the planet has a similar red hue. It is
estimated to be 400 times the diameter of the sun and 9,000 times more luminous. About halfway down the
scorpion's tail lies a region sometimes called the Table of Scorpius, which is unusually rich in stellar
objects. The double stars Zeta Scorpii 1 and 2 can be identified with the unaided eye in the table. The
scorpions stinger is called Shaula.
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