404. That’s an error.
The requested URL /gadgets/proxy?container=accel&gadget=www.howtobearetronaut.com&debug=0&nocache=0&v=qa7op28e7c1gm2og8as7p13qbo&rooe=1&html_tag_context=img&url=http%3A%2F%2Fwww.howtobearetronaut.com%2Fwp-content%2Fuploads%2F2011%2F09%2F271.jpg
was not found on this server. That’s all we know.