Constellations NASA T-ShirtConstellations are a group of stars that looks like a particular shape in the sky and have been given a name. Some stars in a constellation might be close while others are very far away. But, if you were to draw lines in the sky between the stars like a dot to dot puzzle, the picture would look like an object, animal, or person. For any fan of the scientific study of the stars in outer space, this Constellations NASA T Shirt is a must have!