What Causes a "Blood Moon" Lunar Eclipse Tetrad? (Infographic)
The April 4, 2015 lunar eclipse is the third of four consecutive total eclipses of the moon - an series that astronomers call a "lunar tetrad." See what lunar tetrads are about in our full infographic here. Read our Total Lunar Eclipse Skywatching Guide.
The full eclipse
This global map shows the full visibility map for skywatchers around the world during the total lunar eclipse on April 4, 2015. Read our Total Lunar Eclipse Skywatching Guide.
Total Eclipse of the Moon (Infographic)
This Space.com infographic shows how lunar eclipses occur when the moon passes through Earth's shadow. On April 4, 2015, that event will occur to create a total lunar eclipse. Read our Total Lunar Eclipse Skywatching Guide.
Color of Umbra Infographic
If Earth had no atmosphere, a total lunar eclipse would render the moon black. Instead, it turns red. Here's how. Read our Total Lunar Eclipse Skywatching Guide.
July 2000 Lunar Eclipse Composite Photo
Sky & Telescope contributing photographer Akira Fujii caught nine images of the moon's progress through Earth's shadow in July 2000, using a star for alignment. Another total lunar eclipse will occur on April 4, 2015. Read our Total Lunar Eclipse Skywatching Guide.
