Key Questions and Terms
Notes
The brightness of a star as measured from Earth is calle...
Biology, 09.02.2021 20:10, boogiedownclown
Key Questions and Terms
Notes
The brightness of a star as measured from Earth is called its .
What is a star's absolute brightness?
What does the color of a star reveal about the star?
How does the size of a star influence its brightness?
What is a Hertzsprung-Russell (HR) diagram?
How are stars categorized using an HR diagram?
What are some properties of the four categories of stars?
Supergiants:
Giants:
Main sequence:
Dwarfs:
What is the approximate absolute brightness and temperature of the dwarf star labeled A?
What is the approximate absolute brightness and temperature of the main sequence star labeled B?
What is the approximate absolute brightness and temperature of the giant star labeled C?
What type of star has an absolute brightness of 5 and a surface temperature less than 2,500 °C?
The Origin and Classification of Stars Video
Key Questions and Terms
Notes
What determines the fate of a star?
What is a nebula?
How are proto-stars formed?
What happens within a proto-star to create a star?
Usually, the stars are the hottest stars.
What color are the brightest stars?
Our sun is a -sized star with a temperature around 6,000 degrees Celsius.
Answers: 2
Biology, 22.06.2019 05:00, pr4ever
Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.
Answers: 3
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