When classifying stars, which color represents the star with the highest temperature?

24,865 results
  1. Science!!!

    1. Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star B. They are all white dwarfs C. They become dimmer at regular intervals D. They are cool red stars

  2. SCIENCE HELP PLEEASE

    Given the following images, choose the one that most likely represents an O-class star. Star A is a yellow star. Star B is a blue star. Star C is a red star. Star D is a green star. A B C D is it b

  3. science

    1. Which layer of the sun’s atmosphere are you looking at when you look at an image of the sun? (1 point) photosphere chromosphere corona prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar

  4. Science

    which of the following can help astronomers detect if a star is part of a binary star system A. the star varies temperatures near the binary star B. the star wobbles near the binary star C. the star has very strong gravity D. the star belongs to an open

  5. Astronomy

    1. What color are stars that are very hot and very bright? A. Red B. Blue C. White D. Yellow 2. During the contraction of a protostar, density increases and ______ rises. A. Nuclear energy B. Dust C. Temperature D. Outflow 3. What is the apparent

  6. science/astronomy

    4. Which of the following is a common feature among the four inner planets? (1 point) atmosphere composition distance from the sun rocky surfaces**** temperature range 5. Which of the following is the smallest terrestrial planet? (1 point) Mars Mercury**

  7. Physics

    In a binary star system, two stars orbit about their common center of mass, as shown in the figure . If r2 = 2r1, what is the ratio of the masses m2/m1 of the two stars?

  8. science !!

    1. how do scientists classify stars? by size distance and color by size distance and brightness by color brightness and distance by size brightness and temperature 2. which of The following factors determines how long is Star will live a stars color stars

  9. science

    The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.Which of these observations of Barnard’s Star is most likely accurate? * Captionless Image A Barnard’s Star is less bright than the sun,

  10. Science

    A student creates a chart to describe Earth’s solar system in the Milky Way galaxy. Which statement could be included to accurately describe the solar system as part of the galaxy? (1 point) The solar system is comprised of millions of stars from the

  11. Science please help :)?

    3. which if the following factors determines how long a star will live ? ( 1point ) A . star’s color b. the star’s mass**** c. the star’s diameter d. the star’s distance from the sun 4 . which of the following causes constellations to appear to

  12. science help

    An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star? It is larger than the second star. It is smaller than

  13. physics

    Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.78x1011 m apart. The larger of the two stars has a mass of 4.19x1030 kg, and its center is 1.75x1011 m from the system's center of mass. What is the mass of

  14. Science

    6. Which of the following happens to the temperature of gases as they reach the top of the sun's convection zone? a. it increases b. it decreases*** c. it does not change d. there is no way to tell what happens 7. Which of the following does a star's

  15. Science

    The NASA Star Finder charts are constructed based on the visible night sky at 34° N latitude, about as far north of the equator as Los Angeles, California. Will the constellations on the Star Finder chart shift in the sky if you observe the night sky from

  16. Science Help Please

    Which of these observations of Barnard's Star is most likely accurate? Please help! T have to finish this TODAY!!! and I have no Idea :-( A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and is red. B Barnard’s

  17. science

    1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.Which of these observations of Barnard’s Star is most likely accurate? * 1 point

  18. Astronomy help!

    The average speed of stars relative to the Sun in the solar neighborhood is about 20 km/s (this is the speed at which we see stars moving toward or away from the Sun - NOT their orbital speed). Suppose you discover a star in a solar neighborhood that is

  19. SCIENCE

    (please check my answers. if they are not right please correct them.) With the use of the Hubble Space Telescope, scientists recently discovered a giant runaway star. It is 90 times larger than the sun and is very hot and blue-white in color. Why does the

  20. Science

    6. Which of the following happens to the temperature of gases as they reach the top of the sun's convection zone? a. it increases b. it decreases c. it does not change d. there is no way to tell what happens 7. Which of the following does a star's absolute

  21. earth science

    Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible? Stars never really die. The death is a black dwarf star. This type of death triggers the birth of a new star. The death

  22. Science

    1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and

  23. Science

    1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K,

  24. Science

    Which star shown on the luminosity and temperature of stars graph in the Earth Science Reference Tables is currently at the Sun's final predicted stage of development, and how do you know? a. Polaris b. Procyon B c. Sirius d. Rigel

  25. statistic

    In order to attract customers, an ice cream company has started a STAR game. Any person who collects four stars gets a free family size bucket of ice cream. Suppose that the probability of an ice cream pack contains a star is 0.3 (an ice cream pack cannot

  26. Astronomy

    1. When comparing the sizes of stars, our Sun is: a.) the largest star discovered to date b.)one of the larger stars discovered to date c.)medium size as compared to other stars d.)one of the smallest stars discovered to date My answer: c or d 2. What

  27. physics

    mc030-1.jpg Two stars are bound together by gravity. The larger star has four times the mass of the smaller star. Which diagram best illustrates the orbital motion of the two stars? (Note: the stars are shown much larger than they really are compared to

  28. Science

    The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.Which of these observations of Barnard’s Star is most likely accurate? * 1 point Captionless Image A Barnard’s Star is less bright than

  29. Physics

    A binary star system consists of two equal mass stars that revolve in circular orbits about their center of mass. The period of the motion, T=29.6 days, and the orbital speed v= 220 km/s of the stars can be measured from telescopic observations. What is

  30. physics 12

    a certain binary star system consists of two stars of masses m and 3m respectively separated by a distance of 1.5 x 10^12 m, measured between their centres. Theres stars revolve in sync with each other around their common centre of mass like a giant

  31. Physical science

    Which of the following star colors has the highest temperature?

  32. Astronomy

    Describe the color, temperature, luminosity, and size of the Sun compared to the other stars.

  33. science

    what would be the absolute magnitude and color of a main sequence star with a temperature of 25,000 kelvin? HELP!

  34. Science

    In general, the narrower the spectral line of a star A.the hotter the star is B.the bigger the star is C.the denser the star is D.the smaller that star is E.the cooler the star is E. the cooler the star is . Lower temperatures result less Doppler

  35. general physics

    Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 6.3 x 1028 kg and 1.6 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this

  36. Physics

    Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 5.8 x 1028 kg and 1.5 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this

  37. science help PLS

    An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star? It is larger than the second star. It is smaller than

  38. science

    The Hertzsprung-Russel diagram shows how the brightness, surface temperature and color of stars are related. Which of these observation of Barnard’s Star is most likely accurate?

  39. Math

    A star has six identically matched points. Suppose you line up two stars directly on top of each other. What is the least number of degrees that you can rotate the top star so that the two stars are perfectly aligned again? A:60 B:120 C:180*** D:30

  40. social studies(history)

    i m doing a report on the star spangled banner. i researched dat the star spangled banner has 15 stars and stripes, but i m sure the there are 13 stars and 13 stripes. Can somebody plz check for me. http://en.wikipedia.org/wiki/Us_flag =) The Star Spangled

  41. Math (Trig/pre-calculus)

    some stars are so far away that their position appear fixed as earth orbits the sun. other stars, however, appear over time to shift their positions relative to the background of "fixed" stars. suppose that the star shown below appears to shift through an

  42. physics

    Certain neutron stars (extremely dense stars) are believed to be rotating at about 100 rev/s. If such a star has a radius of 10 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?

  43. physics

    Certain neutron stars (extremely dense stars) are believed to be rotating at about 0.76 rev/s. If such a star has a radius of 10 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation? i got

  44. science

    Using various telescopes, astronomers discovered a giant star that is 100 times larger than the Sun, and is very hot. It is blue-white in color. Why does the Sun appear brighter than this larger star when viewed from Earth? - The Sun is older than the

  45. science

    Using various telescopes, astronomers discovered a giant star that is 100 times larger than the Sun, and is very hot. It is blue-white in color. Why does the Sun appear brighter than this larger star when viewed from Earth? - The Sun is older than the

  46. astronomy

    Suppose the distance between two stars doubled while the mass of each star doubled as well. What would happen to the orbital period of the two stars?

  47. Science

    In general, the narrower the spectral line of a star A.the hotter the star is B.the bigger the star is C.the denser the star is D.the smaller that star is E.the cooler the star is http://en.wikipedia.org/wiki/Stellar_classification

  48. genral sicence

    When classifying stars, which color represents the star with the highest temperature?

  49. Astrophysics

    Star Power and Temperature Star A and Star B Consider two stars that are the same size (they have the same diameter), but have different surface temperatures. Let’s say Star A’s temperature is 3000 K and Star B’s temperature is 4500 K. Let’s look

  50. Astronomy

    Hi, can you please check my work? I really need to do well on this. 1. What properties of a star are needed to calculate the stars luminosity? a. size and apparent brightness b.mass and distance to the star**** c. temperature and diameter of the star d.

  51. Science

    Hey people! So, uh, I'm trying to take an assessment in online school... long story short, I don't know what the heck I'm doing (like everyone else on here). So can you guys help me out? Here are some of the questions that stumped me: 1. Where can most

  52. physics

    A star of mass 2.0 1031 kg that is 4.8 1020 m from the center of a galaxy revolves around that center once every 4.2 108 years. Assuming that this star is essentially at the edge of the galaxy, each of the stars in the galaxy has a mass equal to that of

  53. science

    An H-R diagram? Answer Are Is a map of the position of the stars Graphs stars according to their size and distance List every known star Graphs a sample of stars according to surface temperature and absolute brightness Thank You

  54. Physics Classical Mechanics

    Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 2.32 × 10^31 kg and Star 2 has mass m2 = 1.76 × 10^31 kg. Assume that each star undergoes uniform circular motion about the center of

  55. science

    Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 × 1031 kg and Star 2 has mass m2 = 1.60 × 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass

  56. science

    Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 × 1031 kg and Star 2 has mass m2 = 1.60 × 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass

  57. Science

    6. Which of the following happens to the temperature of gases as they reach the top of the sun's convection zone? a. it increases b. it decreases c. it does not change*** d. there is no way to tell what happens 7. Which of the following does a star's

  58. Earth and Space Science

    Hi everyone! I am having the darndest time figuring out the answer to a test question and am wondering if anyone can shed some light and help me out. Here is the question: The temperature (the average kinetic energy of the molecules) of a star is evidenced

  59. Physics

    A star of mass 2.0 1028 kg that is 1.6 1020 m from the center of a galaxy revolves around that center once every 3.4 108 years. Assuming that this star is essentially at the edge of the galaxy, each of the stars in the galaxy has a mass equal to that of

  60. science

    What makes the subject of star formation so difficult and complex A It is so slow that no visible proof of of it exists B Star formation is too expensive to study in detail C Stars live too long to be observed from birth to death D Clouds, fragments,

  61. Astronomy

    I have two stars A = 7150K and B = 4850K.A is 20 times brighter than B. Assuming L/Lv is the same for both stars find the ratio ofthe radii of A and B. I have the equation R/R= (L/L)^1/2(T/T)^2. I can do this for each star in terms of solar masses but i am

  62. English

    The sun is much brighter than the star. ----------------------- What does the star mean here? Does "the star" refer to all stars or one star which the speaker want to mention?

  63. Math

    A star has six identically matched points supposed to line up two stars directly on top of each other what is the least number of degrees that you can rotate the top star so that the two stars are perfectly aligned a 60° be 120° see 180° D 30° I say D

  64. Math

    A star has six identically matched points. Suppose you line up two stars directly on top of each other. What is the least number of degrees that you can rotate the top star so that the two stars are perfectly aligned again? A:60 B:120 C:180*** D:30

  65. Physics

    In a binary star system in which 2 stars orbit each other about their centre of mass, the mass of one star is 20m while the other star is m. In another binary star system, the masses of the star are 14m and m. The fixed distance between the stars in the

  66. Astro-Physics(Binary Star System)

    In a binary star system in which 2 stars orbit each other about their centre of mass, the mass of one star is 20m while the other star is m. In another binary star system, the masses of the star are 14m and m. The fixed distance between the stars in the

  67. science

    Imagine that you have discovered a constellation that appears above the Northern Hemisphere.You have the honor to name it.Describe the star pattern,as well as the color and brightness of the stars.Choose a descriptive name,and explain your choice.

  68. Science

    Which of the following is an indication that a planet may exist near a distant star A. the star varies in temperature B. The star has a very slight back and forth motion C. the star has very strong gravity D. Radio wave activity increases near the star I

  69. C programming

    Please name your submission of this problem as b.1.c (20 pts) and b.2.c (20 pts) You are the official score keeper for the "C" Bowling Association (CBA). You should write a program that will:  a. Input date of game (three integers yyyy/mm/dd).  b.

  70. English

    1. The sun is much brighter than the star. ------------------------------------- Is the star in generic use? Or does the star refer to the specific star? In my opinion, some stars are brighter than the sun, aren't they?

  71. science

    The color of a star could be an indication of the a) rate of fusion reaction b) age of the star c) size of a star d) all the above e) b and c only f0 none of the above d

  72. I NEED HELP ASAP I HAVE 2 MINS.!!!!!!!!

    name 2 factors used when classifying a star

  73. science

    why are stars shaped in a star form All stars are spheres. Their own gravity forces then to take that shape

  74. science

    Why does the Earth get more energy from the Sun compared to any other star? •The Sun is much closer to Earth. The next closest star is 4.2 light years away. **** • The Sun is much denser than other stars. That means it produces more energy. • The Sun

  75. Science

    1. The Hertzsprung-Russell diagram below shows how the brightness, surface temperature, and color of stars are related.stars would be * 3 points Captionless Image A Barnard’s Star is less bright than the sun, has a surface temperature below 3,800 K, and

  76. Art... Value

    Hello, In the following question, is answer #1, correct? I know that Value is the degree of lightness or darkness within a color. The more blue that exists in light the higher its color temperature, the more red contained in light the lower the color

  77. Physics

    White dwarf stars have been observed with a surface temperature as hot as 200,000 o C. What is the wavelength of the maximum intensity produced by this star?

  78. Physics

    White dwarf stars have been observed with a surface temperature as hot as 200,000 o C. What is the wavelength of the maximum intensity produced by this star?

  79. science

    compare the elements in an early protostar and those in a young star formed from star dust of older stars?

  80. Physics

    White dwarf stars have been observed with a surface temperature as hot as 200,000 o C. What is the wavelength of the maximum intensity produced by this star? help please don't know what to do

  81. Physics

    White dwarf stars have been observed with a surface temperature as hot as 200,000 degree C. What is the wavelength of the maximum intensity produced by this star?

  82. Art... color...range

    Hello, In the following question my opinion is #2 would be the correct answer, is this correct? Thank You The range of dark and light blue in the sky refers to the what of this color? #1 Value #2 Color Temperature Explanation of color value:

  83. 5th Grade Math

    Question:Percy is coloring a flag he made for class. He can use the colors blue, green, yellow and red.He can paint the rectangle part (backround) of the flag one color, the triangle one color, and the star one color. For example, Percy could make the star

  84. earth science

    i need to know where i can find the brief mythology of the constallation capracornus([[[capricorn]]]) and the constellations inside the capricornus and the type of star they are and the distance from earth and the magnitude(absolute) and the color and

  85. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

  86. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

  87. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

  88. Adv. Func./Science Question

    Hi, I have this question that I will be tested on but my teacher didn't teach us how to do it so I am confused on how to even start. Please explain on how to start the question...thank you How bright a star appears can depend on how much light the star

  89. Science 2

    While Sirius, the Dog Star, is type AO, a start just a step hotter than M0 is a related what? A.M1 B.K9 C.F5 D.AOK E.B9 B. K9 K9 is followed by M0 in the temperature/spectral classification of stars. K's are hotter than M's, and K9 is the coolest of the

  90. science

    if the spectrum of a star indicates that the star shines with a red light, approximately what is the surface temperature of the star?

  91. Computers (Java)

    Hello -- Looking for help with an extra credit assignment to give my grade a needed boost. The program is to display a star pattern with java loops. From prof: Write a program using loops to display the star pattern that follows the written description.

  92. Computers (Java)

    Hello -- Looking for help with an extra credit assignment to give my grade a needed boost. The program is to display a star pattern with java loops. From prof: 7. Write a program using loops to display the star pattern that follows the written description.

  93. science

    I have a few questions about stars. 1. How hot do they get? 2. Is it possible to reach a star? 3. Has anyone ever touched a star before? 4. How long would it take in order to reach one?

  94. reading

    For the color codes evil represents red so what color represents happy?

  95. Art... Color

    Hello, The range of dark and light blue in the sky refers to the what of this color? #1. Value #2. Color temperature My answer is #1, is that correct? Thank You http://www.answers.com/color%20value

  96. physics 1

    Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 5.6 x 1028 kg and 1.5 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this

  97. physics 1

    Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 5.6 x 1028 kg and 1.5 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this

  98. Earth Science

    What color will a star be with a surface temperature of 5000–6000 K? A. blue B. yellow C. white my choice is B yellow

  99. science

    It is not a homework, it is my question, and I hope it is explained. Sometimes at night I look ATTENTIONALLY at the starry sky , notice and see that there is an object which is as small as a star is moving. It is very very far and has the light as the

  100. Astronomy

    Star A has 3 times the surface temperature and 0.6 times the radius of Star B. What is the ratio of the luminosity of Star A to the luminosity of Star B? (Indicate your answer to an accuracy of 0.1).

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