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seasonal star maps, constellations and asterisms

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by

Heather Tian

on 23 May 2013

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Transcript of seasonal star maps, constellations and asterisms

Seasonal Star Maps,
Constellations,
and Asterisms What is a star map? What are Constellations? What are Asterisms? The IAU
(International Astronomical Union) Polaris Star map- a chart or map showing the relative apparent position of the stars, seen from Earth,
in a particular area in the sky Constellations- various groups of stars to
which definite names are given that
form a pattern Asterism- a pattern of stars recognized on earth's night sky Many a night I saw the Pleiades,
rising through' the mellow shade,
Glitter like a swarm of fireflies tangled in a silver braid.
- Alfred, Lord Tennyson, It was founded in 1919,
in Paris, France A.K.A The North Star Seasonal Star Maps But..... WHY??? It separates the sky
into sections Examples: THANKS FOR
LISTENING! In 1930, the IAU listed that there are
88 official constellations Pleiades Fun Fact: The North Star(Polaris) is not the brightest star at night
It's the 50th brightest! It's located at the end of the handle of the "Little Dipper" They name stars, asterisms, constellations
planets and other celestial objects. They were formed 100 million years ago
(1/50 of our sun's age) It's located in the constellation Tarus The Pleiades are about 425 light years away
(4 020 810 580 275 813 kilometers) But it's the brightest star in Ursa Minor Pleiades is an open star cluster and is the closest star cluster to Earth
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