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The dunes are dark probably because they are composed of basaltic sand (derived from dark
one of about 170 globular clusters remaining
The dune is about 3 feet (1 meter) tall in the middle of its span across an opening called "Dingo Gap
Imagine orbiting the Moon as this spectacular landscape passed beneath you
is a young lunar crater with a sharp rim
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
