Activity: Light from stars

IB Physics: Activity: Light from stars

Almost everything known about stars has been discovered from the information obtained from the electro magnetic radiation they give out and most of that information is collected on EarthWith the naked eye you can see that stars have different brightness and colour. Some also look bigger but that is an illusion, the brighter ones look bigger, they also appear bigger on a photograph.You can see, in this photo of the constellation...

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