Relationship To Physical Units
The surface brightness in magnitude units is related to the surface brightness in physical units of solar luminosity per square parsec by
where and are the absolute magnitude and the luminosity of the Sun in chosen color-band respectively.
Read more about this topic: Surface Brightness
Famous quotes containing the words relationship to, relationship, physical and/or units:
“... the Wall became a magnet for citizens of every generation, class, race, and relationship to the war perhaps because it is the only great public monument that allows the anesthetized holes in the heart to fill with a truly national grief.”
—Adrienne Rich (b. 1929)
“Sisters is probably the most competitive relationship within the family, but once the sisters are grown, it becomes the strongest relationship.”
—Margaret Mead (1901–1978)
“The price we pay for the complexity of life is too high. When you think of all the effort you have to put in—telephonic, technological and relational—to alter even the slightest bit of behaviour in this strange world we call social life, you are left pining for the straightforwardness of primitive peoples and their physical work.”
—Jean Baudrillard (b. 1929)
“Even in harmonious families there is this double life: the group life, which is the one we can observe in our neighbour’s household, and, underneath, another—secret and passionate and intense—which is the real life that stamps the faces and gives character to the voices of our friends. Always in his mind each member of these social units is escaping, running away, trying to break the net which circumstances and his own affections have woven about him.”
—Willa Cather (1873–1947)