Distance=speed*time speed of light in miles=3.6 km/hr 7800 light years=7800(9.4607×10^12) km thus the distance in miles will be as follows: 1 mile=1.60934 thus the distance from each to black hole is: [7800(9.4607×10^12)]/1.60934 =4.5853244×10^16 miles
