Hertzsprung-Russell DiagramBlue or blue whiteWhiteVellowRed orangeRedSuperglantsBeleigeurseMaln SequenceAldebaranGlantsSunoAipho Centoun SSinus BWhite Dwarfs50,00020,00010.0006,0005,0003,000Surface Temperature ("C)Most of the stars shown on the diagram are classified as which type of star?O white dwarfO main sequenceO red giantsuper giantBrightness

The region of main sequence contains large number of stars than any other region. Therefore most of…

Hertzsprung-Russell Diagram Blue or blue w White Vellow Red orange Red Rioe Supergl Beteigeuse Main Sequene Aldebaran Glants Sum Alpho Centoun Sinus B White Dwarfs 5,000 10,000 Surface Temperature ("C) 50,000 20,000 6,000 3,000 Most of the stars shown on the diagram are classified as which type of st O white dwarf O main sequence O red giant O super giant Brightness 00/

Hertzsprung-Russell Diagram Blue or blue w White Vellow Red orange Red Rioe Supergl Beteigeuse Main Sequene Aldebaran Glants Sum Alpho Centoun Sinus B White Dwarfs 5,000 10,000 Surface Temperature ("C) 50,000 20,000 6,000 3,000 Most of the stars shown on the diagram are classified as which type of st O white dwarf O main sequence O red giant O super giant Brightness 00/

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Hertzsprung-Russell Diagram Blue or blue-white White Yellow Red-orange Red O Rigel Superglants Belekge Main Sequence Aldergran Glants SunO Alpho Contoun B Sirius B White Dwarts 50,000 20.000 10.000 Surface Temperature (C) 6,000 5.000 3,000 What is the color of the stars shown on the diagram that have the highest surface temperature? O red O yellow blue O white Brightness Increasing O O O
Choose the statements that correctly describe the characteristics of the stars located in the labeled quadrants of the H-R diagram. Luminosity
Compute the distance to the following stars using the luminosity-distance relationship: m-M=5 log (d) - 5 Name: X Ari App. Mag. (m): 9.95 Abs. Mag. (M): 0.75 O 693.23 690.43 692.56 691.83
14 Suppose you see two main-sequence stars of the same spectral type. Star 1 is dimmer in apparent brightness than Star 2 by a factor of 100. What can you conclude? (Neglect any effects that might be caused by interstellar dust and gas.) A B C D Star 1 is 10 times more distant than Star 2. The luminosity of Star 1 is a factor of 100 less than the luminosity of Star 2. Star 1 is 100 times nearer than Star 2. Star 1 is 100 times more distant than Star 2. E Without first knowing the distances to these stars, you cannot draw any conclusions about how their true luminosities compare to each other.
Zebulon is a binary star system composed of a 10 M sun main sequence star and a 1 M sun red giant. Is this strange? yes or no. explain the reasoning.
Question 32 Consider three Main Sequence stars, an O tar, an F star and a K star, each with an apparent magnitude of 2. Which star is the most luminous? They're all the same luminosity. The O star The F star The K star Question 33 Consider three Main Sequence stars, an O star, an F star and a K star, each with an apparent magnitude of 2. Which star appears the brightest in the night sky? The O star The F star O The K star O They all appear the same. Please answer both
In the H-R diagram we see that stellar masses__________ downward along the main sequence. At the upper end of the main sequence, the hot, luminous O stars can have masses as high as _________ or more times that of the Sun. On the lower end, cool, dim M stars may have as little as __________ times the mass of the Sun. Many more stars fall on the lower end of the main sequence than on the upper end, which tells us that _________stars are much more common than __________ stars.
Two stars-A and B, of luminosities 0.5 and 4.5 times the observed to have the luminosity of the Sun, respectively-are same apparent brightness. Which star is more distant, and how much farther away is it than the other?
List the following 5 terms in order through a stars life cycle (starting with the sun), through the remainder of its lifetime: a. Black dwarf b. Planetary nebula c. Red giant d. Star (Sun) e. White dwarf
Which statement is most logical? a First stars are thought to have been more massive than Sun because the materials used to make clouds were more abundant at the beginning b First stars are thought to have been more massive than Sun because the temperatures of the clouds that made them were higher because they consisted entirely of hydrogen and helium c First stars are thought to have been more massive than Sun because star-forming clouds were much denser early in time d First stars are thought to have been more massive than Sun because the clouds that made them were much more massive
Two stars – A and B, of luminosities 0.5 and 4.5 times the luminosity of the Sun, respectively – are observed on Earth to have the same apparent brightness. Which star is more distant, and how much farther away is it than the other? [Hint: The brightness of a star is inversely proportional to the square of its distance; Week 6 slide 15]
Which of the following binary star systems cannot exist? A. A 1 solar-mass main sequence star and a 4 solar mass red giant with a size 100 times smaller than the orbital distance. B. A 15 solar-mass main sequence star and a 10 solar mass red giant with a size 100 times smaller than the orbital distance. C. A 1 solar-mass main sequence star and a 4 solar-mass main sequence star. D. A 2 solar-mass main sequence star and a 1 solar mass red giant with a size a few times smaller than the orbital distance.