Starpeople: How big is…big?

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How big is Pluto? New Horizons settles decades-long debate NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute Press Release Posted on 13 July 2015 by Astronomy Now. A portrait from the final approach. Pluto and Charon display striking colour and brightness contrast in this composite image from 11 July, showing high-resolution black-and-white LORRI images colourised with Ralph data collected from the last rotation of Pluto. Colour data being returned by the spacecraft now will update these images, bringing color contrast into sharper focus. Image credits: NASA-JHUAPL-SWRI.

Pluto’s smaller than Earth’s moon (one of the discoveries this week), and there’s a detailed account of that in this report (the geek in you will love this….):

http://astronomynow.com/2015/07/13/how-big-is-pluto-new-horizons-settles-decades-long-debate/

On the other end of the discussion – how big are known objects in the universe? Here’s an easy-to-understand little vid that will make you say wow:

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