 | Michael J. Caduto, Joseph Bruchac - 1997 - 244 pages
...brighter than others and are said to have a greater magnitude. Higher numbers denote dimmer stars. A star of magnitude 1 is 2.5 times brighter than a star of magnitude 2, and so on. Extremely bright objects, such as the moon (magnitude -12.5) are given negative numbers. Our... | |
 | Brian Burrell - 1998 - 386 pages
...magnitude correspond to ratios of 2.5. The brighter the star, the lower the number assigned to it. Thus a star of magnitude 1 is 2.5 times brighter than a star of magnitude 2, which is 2.5 times brighter than a star of magnitude 3, and so on. The number 2.5 is not exact. It... | |
| |
Thus a star of magnitude 1 is 2.5 times brighter than a star of magnitude 2... 