in this PNG formatted 384 by 276 pixel 30.41 kB picture, we see two stable isotopes of chemical element #77, known as iridium-191 and iridium-193 (baseline). depicted as two alien kitters with antennae and three eyes... the image shows the two isotopes on a transparent background.
she got a new sister now... meet iridium-191, the only other stable isotope of iridium that has a natural abundance of 37.3%










