Heifetz Planisphere with Undistorted Images of Constellations

Heifetz Planisphere with Undistorted Images of Constellations This innovative, pre-assembled planisphere has the unique feature of showing undistorted images of the constellations along its periphery ? exactly as they appear in the real sky. With its simple and understandable drawings, the constellations are very easy to recognize. The back of the planisphere features a useful technique for locating and showing the relationships between constellations by means of a series of 10 triangles. Helpful notes and instructions, as well as a list of meteor showers, are included right on the planisphere itself. Made from a durable, long-lasting plastic with a clear window, the Heifetz Planisphere makes it possible to see all of the stars for a specific time and latitude. Ideal for teacher use and as a reusable student activity. 8 3/4? diameter, 30 degrees N. Latitude.