Wired Space Photo of the Day – Wired Science

This new image from Hubble of the massive galaxy cluster Abell 1689 shows the phenomenon of gravitational lensing with unprecedented clarity. This cluster acts like a cosmic lens, magnifying the light from objects lying behind it and making it possible for astronomers to explore incredibly distant regions of space. As well as being packed with galaxies, Abell 1689 has been found to host a huge population of globular clusters.

via Wired Space Photo of the Day – Wired Science.

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