Plane – sagittal, as there is flexion and extension of the knees, elbows, neck and spine. Axis – frontal, as there is rotation around a line running from left to right through the centre of ...

NASA’s Hubble Space Telescope captured a cameo appearance of the tiny moon Phobos on its trek around the Red Planet. This composite image, from NASA Galileo and Mars Global Survey orbiters, of Earth ...