How Big Are Galaxies?

How Big Are Galaxies?
BEST OF SCIENCE | APRIL 2, 2013
http://pulse.me/s/k92oy

image?link=http%3A%2F%2Fd1jqu7g1y74ds1.cloudfront.net%2Fwp-content%2Fuploads%2F2013%2F04%2FGalaxy-Size-Comparison-Chart-580x580.jpg

According to Taylor on his personal blog, Physicists of the Caribbean (because he works at the Arecibo Observatory in Puerto Rico) “Type in ‘asteroid sizes’ into Google and you’ll quickly find a bunch of  images comparing various asteroids, putting them all next to each at the same scale. The same goes for planets and stars. Yet the results for galaxies are useless. Not only do you not get any size comparisons, but scroll down even just a page and you get images of smartphones, for crying out loud.”

So to remedy that marked dearth of galactic comparisons, Taylor made his own. Which, if you share my personal aesthetics, you’ll agree is quite nicely done…. Read more

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