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π§πβπ¨π―ππ¬-THE LOCAL BUBBLE-π¬πππ§Όπͺ
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*the orion arm is a ‘minor spiral arm’ of the ‘milky way’ some ‘3,500 light-years’ (aka ‘1,100 parsecs’) across and approximately ‘10,000 light-years’ (aka ‘3,100 parsecs’) in ‘length’*
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(the ‘solar system’, including the ‘earth’, lies within the ‘orion arm’)
(it is also referred to by its full name, the orionβcygnus arm, as well as local arm, orion bridge, and formerly, the local spur and ‘orion spur’.
(the ‘orion arm’ is named for the ‘orion constellation’, which is one of the most prominent ‘constellations’ of ‘northern hemisphere winter’ (or ‘southern hemisphere summer’))
(some of the brightest ‘stars’ and most famous ‘celestial objects’ of this ‘constellation’ (‘betelgeuse’, ‘rigel’, the stars of ‘orion’s belt’, the ‘orion nebula’) are located within the ‘orion arm’, as shown on the ‘interactive map’ below)
(the ‘orion arm’ is located between the ‘carinaβsagittarius arm (toward the ‘galactic center’) and the ‘perseus arm’ (toward the ‘outside universe’), the latter one of the 2 ‘major arms’ of the ‘milky way’)
(long thought to be a ‘minor’ structure, a “spur” between the 2 longer adjacent arms ‘perseus’ and ‘carina-sagittarius’, evidence was presented in ‘mid-2013’ that it might be a branch of the ‘perseus arm’, or possibly an ‘independent arm segment’ itself)
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(within the ‘orion arm’, the ‘solar system’, including ‘earth’, is located close to the ‘inner rim’ in the ‘local bubble’, about halfway along the orion arm’s length, approximately ‘8,000 parsecs’ (aka ‘26,000 light-years’) from the ‘galactic center’)
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πππβ*β’MINOR ARMS’ OF THE ‘MILKY WAY’β* β πππ
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πππππ€ππ€ππ€ππ€β€οΈπππ§‘β£οΈπππβ£οΈπ§‘ππβ€οΈπ€ππ€ππ€ππ€ππππ
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*πβ¨ *TABLE OF CONTENTS* β¨π·*
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π₯π₯π₯π₯π₯π₯*we won the war* π₯π₯π₯π₯π₯π₯