... Today's Picture: . If the Earth could somehow be transformed to the ultra-high density of a neutron star , it might appear as it does in the above computer generated figure. ... The gravity of this particular neutron star is so great that no part of the neutron star is blocked from view - light is pulled around by gravity even from the back of the neutron star. ... Astronomy Picture of the Day is brought to you by Robert Nemiroff and Jerry Bonnell . ...