The sun of galaxy X has a diameter of about 736,000 mi with a maximum distance from Planet X's surface of about 49,500,000 mi. Planet X's moon has a diameter of 2,648 mi. For a total solar eclipse to occur, the moon must pass between the sun and Planet X. The moon must also be close enough to Planet X for the moon's umbra (shadow) to reach the surface of Planet X. Sun Planet X Moon Umbra Not to scale The maximum distance that the moon can be from Planet X and still have a total solar eclipse occur is approximately mi., (Round to the nearest thousand as needed.)