"Is that a giant hand waving at us? Actually, it's what's left of a star that died and exploded a long time ago. Astronomers nicknamed it the ""Hand of God."" <a href=""http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA17566"" target=""_blank"">NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR</a>, took this image in high-energy X-rays, shown in blue. The image was combined with images from another space telescope, the Chandra X-ray Observatory."