Find the most current and reliable hourly weather forecasts, storm alerts, reports and information for Metairie, LA, US with The Weather Network.
Magnitude. The degree of brightness of a star or other object in the sky according to a scale on which the brightest star has a magnitude -1.4 and the faintest visible star has magnitude 6. Sometimes referred to as apparent magnitude. In this scale, each number is 2.5 times the brightness of the previous number. Thus a star with a magnitude of 1 is 100 times brighter than on with a visual magnitude of 6.
The magnitude scale is logarithmic like the eye. magnitude scale: The astro nomical brightness scale; the larger the number, the fainter the star. magnitude-distance formula: The mathematical formula that relates the apparent magnitude and absolute magnitude of a star to its distance. The moment ~ is used by seismologists to measure the size of earth quakes in terms of the energy released. The scale was developed in the 1970s to succeed to 1930s-era Richter ~ ....