<p>STORY HIGHLIGHTSThere will be a total lunar eclipse Tuesday that will turn the moon copper redSuch moons are commonly called blood moonsThere will be four of them within a year and a half and many in the 21st centuryThere was a period of 300 years when there was not a single one</p><p>Send us your photos of the moon in an iReport.</p><p>(CNN) -- Prophecy loves signs from the heavens, and they will deliver Tuesday with a moonlight spectacle.</p><p>What will happen could sound sort of like this:</p><p><a href="http://www.cnn.com/2014/04/11/tech/innovation/blood-moon/">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.slate.com/blogs/bad_astronomy/2014/04/12/lunar_eclipse_on_april_14_the_earth_s_shadow_swallows_the_moon.html">Everything You Need to Know to See Monday Night&#039;s Lunar Eclipse</a> (Slate Magazine (blog))</p><p><a href="http://www.sfchronicle.com/bayarea/article/Total-lunar-eclipse-blood-moon-to-be-5396401.php">Total lunar eclipse, &#039;blood moon&#039; to be showstoppers in sky</a> (San Francisco Chronicle)</p><p><a href="http://www.npr.org/blogs/thetwo-way/2014/04/11/301958755/total-eclipse-of-the-moon-next-week-throughout-north-america">Total Eclipse Of The Moon Next Week Throughout North America</a> (NPR (blog))</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dItEem4wwzux-FMghsaGde_uTT2CM&authuser=0&ned=us">240 additional articles.</a></p>