People have always looked up at the night sky and tried to make sense of the stars. One thing that we have wondered about is their brightness. If a star is bright, does it mean that the star is close? Let's find out! Which Is Brighter?
Find the luminosity of a star w hose apparent brightness is 1.03 x 10−8watt/m2, and whose distance is about 3 x 1018meters. . Luminosity: In astronomy, luminosity is the measure of the light energy radiated by the object into space ...
suicide method, history of previous suicide attempts, and alcohol intoxication at the time of death. For the purpose of this study suicide methods were classified as hanging, shooting, poisoning and other methods. Previous suicide attempts indicate at least one attempt before suicidal death....