from the inner core.... the 5 Megapixel CCD sensor that electronically captures the image.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/44124348109@N01">Steve Jurvetson</a> from Los Altos, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/jurvetson/43402544/">Silicon Eye</a>