The &quot;What am I looking at?&quot; section (<a href="http:&#x2F;&#x2F;www.chromoscope.net&#x2F;1.4.1&#x2F;what.html" rel="nofollow">http:&#x2F;&#x2F;www.chromoscope.net&#x2F;1.4.1&#x2F;what.html</a>) says that they are:<p>&quot;Don&#x27;t worry, they aren&#x27;t holes in the Universe being ripped open by creatures from another dimension! They are actually just gaps in the survey.&quot;