Object Details maker Wheeler, Albert Harry Description The four pieces of this hinged dissection have green and black sections and may be arranged as a regular hexagon with a black rectangle inscribed ...

Rey's "Great Hexagon" of winter stars. (Image credit: SkySafari app) Up to the west is blue-white Rigel, in the constellation of Orion, the hunter.A supergiant star, located 860 light-years from ...

These six quadrilateral pieces are hinged in threes. They may be arranged to form a parallelogram (in this case a rhombus), two equilateral triangles, or a regular hexagon. A drawing of the model in ...