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Bookmark or Share- Apparent magnitude - WikipediaA difference of 1.0 in magnitude corresponds to a brightness ratio of 5 √ 100, or about 2.512. For example, a star of magnitude 2.0 is 2.512 times brighter than a star of magnitude 3.0, 6.31 times brighter than a star of magnitude 4.0, and 100 times brighter than one of magnitude 7.0.
- Magnitude (astronomy) - WikipediaConsequently, a magnitude 1 star is about 2.5 times brighter than a magnitude 2 star, about 2.5 2 times brighter than a magnitude 3 star, about 2.5 3 times brighter than a magnitude 4 star, and so on. This is the modern magnitude system, which measures the brightness, not the apparent size, of stars.
- What is stellar magnitude? | Astronomy Essentials | EarthSkyModern astronomy has added precision to the magnitude scale. A difference of 5 magnitudes corresponds to a brightness factor of a hundredfold. In other words, a 1st-magnitude star is 100 times ...
- Magnitude 5.3 Earthquake Recorded in Southern CaliforniaA magnitude 5.3 earthquake struck about seven miles west of Calipatria, near California’s Salton Sea, the U.S. Geological Survey (USGS) said on Saturday.. The tremor was part of a series of smaller jolts that rocked the area near the Mexican border on Saturday morning. There were no immediate reports of injuries or damage.
- Eastern Indonesia hit with 5.8 magnitude earthquake | Al ...A 5.8 magnitude earthquake struck off the coast of Indonesia’s remote Maluku islands on Wednesday, the US Geological Survey said, but there was no tsunami
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