Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.astronomy.com/magazine/glenn-chaple/2015/05/stellar-time-machines
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Stellar time machines | Astronomy.com
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FROM THE July 2015 ISSUE

Stellar time machines

Add the stars of summer to your time travel escapades.
By Glenn Chaple Тљ|Тљ Published: Monday, May 25, 2015
RELATED TOPICS: STARS
ChapleGlenn
In my January column, “Time travel,” I spelled out the distances to the brightest stars of winter, not just in light-years but in worldly events that occurred when their light began the journey earthward. With summer in full swing (at least in the Northern Hemisphere), let’s take a trip back in time with some 1st-magnitude stars currently visible in northern skies.

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