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
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[PDF] Part 2 - Brightness of the Stars
factors that affect apparent brightness (such as stellar masses, age, stage) ] Disciplinary Core What two stars in Orion appear the brightest in the night sky?
[PDF] Characteristics of Stars - Atlanta Public Schools
Astronomers use spectrographs to determine the elements found in stars A The brightness of a star depends upon both its size and its temperature
[PDF] absolute brightness: The apparent brightness a star would have if it
binary star system: A system in which two stars orbit about their common center Doppler Effect: Apparent change in wavelength of the radiation from a source due to nova: A star that suddenly increases in brightness, often by a factor of as
[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] CHAPTER 4 - TCNJ
The brightness ratio of two stars that differ in magnitude by any amount is To determine this, we must eliminate the distance factor when assigning magnitudes
[PDF] Star Gazing
teacher demo How can a “star” be made up of multiple stars? Therefore, we will assume this factor does not affect the brightness from Earth Does actual
Factors that Affect Observations
least equal to the radius of the central disk, the two equally bright stellar compo- nents will Thus, aperture is the key factor affecting resolution of the two stars
[PDF] LESSON 4, STARS
Stars vary in their size, their brightness, and their distance from viewed from two locations is called parallax The main factor that affects how a star goes
[PDF] Exam 3 Answers - UNM Physics and Astronomy
13 avr 2009 · b) Determining its composition luminosity would change by what factor? QUESTION 12: If two stars have the same radius but different
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