A photo taken by Hubble and just published by NASA of the largest smiley face in the known Universe. The ‘eyes’ are galaxies, SDSSCGB 8842.3 and SDSSCGB 8842.4 and the ‘smile’ is actually an optical illusion caused by strong gravitational lensing.
A photo taken by Hubble and just published by NASA of the largest smiley face in the known Universe. The ‘eyes’ are galaxies, SDSSCGB 8842.3 and SDSSCGB 8842.4 and the ‘smile’ is actually an optical illusion caused by strong gravitational lensing.