Ed and Charlie pilot a space journey to the center of the galaxy. First, they must get past a set of meteors and then compute a transmission angle with which they can reestablish contact with Earth.
Ed and Charlie right Probe 1 on a point far off course. The hard part for them is trying to find a way to return on the path to space station Sharon Checkpoint.
Ed and Charlie reach the center of the galaxy and find the black hole they sought. Their mission is to measure its diameter. This program reviews the sine and cosine laws, explaining how to determine when to use which law for solving oblique triangles.