Rotate the rectangle ABCD 90° clockwise about the point (0,-1). Each corner of the image A'B'C'D' is the same distance from the centre of rotation as the original shape.

“Counterclockwise rotation” refers to a variant in which the transition is “early,” occurring at or before lead V 3, whereas “clockwise rotation” is a variant in which the transition ...

About two-thirds of the 263 galaxies studied in a paper published February 17 in the Monthly Notices of the Royal Astronomical Society rotate clockwise, while the other one-third rotate ...