Deep Space - Dark Matter Square The dunes are dark probably

The dunes are dark probably because they are composed of basaltic sand (derived from dark

covering the entire southern and northern celestial sphere

Imagine orbiting the Moon as this spectacular landscape passed beneath you

000 miles) above the Earth

one of about 170 globular clusters remaining

Deep Space - Dark Matter Square The dunes are dark probablyThis image was taken with Hubble's Advanced Camera for Surveys and the Wide Field Camera 3 in April 2011 through July 2011 as part of a highly detailed dark matter mapping of galaxy clusters. This image of MACS 1206 shows the effects of gravitational lensing and the distribution of dark matter, a mysterious unseen "glue" or "matrix" that seems to hold our universe together. And, as always, the detail and significance of this image can only be truly