[PDF] Part 2 - Brightness of the Stars PDF Part_2_Brightness_of_the

factors that affect apparent brightness (such as stellar masses, age, stage) ] Disciplinary Core Ideas ESS1 A: The Universe and its Stars • The sun is a star that

[PDF] 11_hr_diagram_ws_keypdf

10,000 Temperature (K) Answer the questions using the above HR Diagram 1 What factor affects the color of a star? Temp 2 What factor affects the luminosity

[PDF] absolute brightness: The apparent brightness a star would have if it

Cepheid variable: Star whose luminosity varies in a characteristic way, with a Doppler Effect: Apparent change in wavelength of the radiation from a source During inflation, the universe swelled in size by a factor of 10 to the 50th power

[PDF] Star Gazing

Scienfific Finding: The number of stars only a small effect on the brightness of a star as seen from Earth Therefore, we will assume this factor does not affect the

[PDF] Lesson Plan: Star Gazing

o 30 min - Exploring How Actual Brightness Affects Brightness from Earth o 45 min - Exploring How Number of Stars in a System Affects Brightness from Earth the brightness from Earth must not depend on just one of these factors, but a

[PDF] Astr 102 Lec 6: Basic Properties of Stars - Faculty Washington

Stars are made up entirely of gas How does apparent brightness depend on How do we determine chemical composition? decreased by a factor of 10

[PDF] Characteristics of Stars - Atlanta Public Schools

composition, and brightness Stars vary in their chemical composition Astronomers use spectrographs to determine the elements found in stars A spectrograph

[PDF] stars bookletpdf

What factor affects the luminosity of a star? 3 What is the approximate surface temperature of the sun? 4 Is the surface temperature of white dwarf stars higher or

[PDF] [PDF] Part 2 - Brightness of the Stars