<p>Falcon 9 reentry burn -- the hot plasma protects the rocket from the high speed air of reentry.
</p>
Photo: Steve Colwell
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/135081788@N03">Channel City Camera Club</a> from Santa Barbara, US
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/135081788@N03/50629374248/">Shield of fire</a>