Astronomers say a black hole can be much larger than you can imagine. What do we know about black holes, we who know nothing of the concept of black holes developed by the German astronomer Karl Schwarzschild in 1916 based on Albert Einstein's theory of relativity? The same as any child would know: that they are very large black holes, which were smaller at first, but that they can be blacker and larger than you imagine. And it's well known that, when it comes to imagination, children are far superior to us.

Product Dimensions: 8.46 x 0.39 x 8.46 inches

Ages 5 and up