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Science Section => Science General Discussion => Physics & Cosmology => Topic started by: Baruch on January 09, 2016, 11:57:16 PM

Title: New Milky Way map - by apparent age of stars
Post by: Baruch on January 09, 2016, 11:57:16 PM
http://www.sdss.org/releases/largest-age-map-of-the-milky-way-reveals-how-our-galaxy-grew-up/

New correlation of data made it easier to estimate ages of stars ... thus making a general survey more practical.  Shows how galaxy grew center out in general, with other specific irregularities imposed (prior inter-galactic collisions?).
Title: Re: New Milky Way map - by apparent age of stars
Post by: Hakurei Reimu on January 10, 2016, 06:06:08 PM
(http://www.georgetownisd.org/cms/lib/TX01001838/Centricity/Domain/1133/SCIENCE_ROCKS_LG.jpg)
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