When we look at the night sky, will we see a variety of astronomical objects that brightness varies. How do we know the comparison of light between objects with one another? In astronomy, the brightness of a celestial object is declared with a magnitude scale.With this system, we can calculate the ratio of brightness of two different objects.
Then how is this magnitude system work?
Antiquity when there has been no electricity and lights, not many housing residents, the environment is not as bright as now.
The evening became very dark so the night sky look more beautiful because there is no light pollution.When the weather is nice, people are able to enjoy stunning entertainment on the big screen the night sky.Thousands of stars, nebulae and star clusters are visible as a cloud of fog, and the white band of the milky way, decorated the space.The history of the discovery of the magnitude system to determine the brightness of a star begins from such conditions.
Much can be done with the sky at the time.
Circa 150 BC, Greece named astronomer Hipparchus made a classification system in brightness of stars first.
Then, he grouped the brightness of stars into six categories in the form of more or less like this: the most light, bright light, not so, not so Dim, Dim and dimmest.
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.jpg "Meade Instruments 209006 Infinity 102 AZ Refractor Telescope (Blue)")
Then how is this magnitude system work?
Antiquity when there has been no electricity and lights, not many housing residents, the environment is not as bright as now.
The evening became very dark so the night sky look more beautiful because there is no light pollution.When the weather is nice, people are able to enjoy stunning entertainment on the big screen the night sky.Thousands of stars, nebulae and star clusters are visible as a cloud of fog, and the white band of the milky way, decorated the space.The history of the discovery of the magnitude system to determine the brightness of a star begins from such conditions.
Much can be done with the sky at the time.
Circa 150 BC, Greece named astronomer Hipparchus made a classification system in brightness of stars first.
Then, he grouped the brightness of stars into six categories in the form of more or less like this: the most light, bright light, not so, not so Dim, Dim and dimmest.
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