Flux (J/s·m²) - Animations ΟΑ OB ос OD B C D Wavelength →→ Images Outlines temperatures. Which of the stars has the lowest surface temperature? Tables Not enough information from the diagram to determine the answer. Show Answer

Q: Choose the correct statements concerning spectral classes of stars. (Give ALL correct answers, i.e.,…

A: A) The K star or orange dwarf has spectrum dominated by hydrogen ionization lines not of ionized…

Q: In the Hertzsprung-Russelll Diagram shown, which point represents a star of type F with absolute…

A: The star representing type F with magnitude -5 in the H-R diagram is D.

Q: The star 58 Eridani is a feint but naked-eye star similar to the Sun. Suppose that you are observing…

A: To calculate the number of photons per second that arrive at the retina, we need to know the star's…

Q: What process explains why stars shine the way they do? Don’t just name the process, describe it, and…

A: Due to the Nuclear Fusion reactions stars shine. In the Sun like stars Protons with very high speed…

Q: A group of graduate students, bored during a cloudy night at a the observatory, begin to make bets…

A:

Q: Find the speed for a star in which this line appears at wavelength 121.8 nmnm. Express your answer…

A: Given that-- (lemda)star = 121.8 nm (lemda) = 121.6 nm Speed of light (c) = 3 × 108 m/s Question?…

Q: A bright blue star is moving away from Earth. Which of the choices best completes the following…

A: A bright blue star is moving away from Earth. Answer option A Absorption ,Red shifted

Q: Find the speed for a star in which this line appears at wavelength 122.5 nmnm.

A: Given wavelength = 122.5 nm Hydrogen transition wavelength = 121.6 nm Speed of light is c = 3×108…

Q: 1. The relative velocities of four stars are shown in the figure below with arrows. If an astronomer…

A: Redshift of a light spectra is the phenomenon when we observe an increase in the wavelength and…

Q: Le Trifid Nebula.

A: SOL.The reason is the difference in wavelengths captured by each type of imaging.Explanation:The two…

Q: Considering absolute magnitude M, apparent magnitude m, and distance d. Compute the unknown for each…

A: Given: Considering absolute magnitude M, apparent magnitude m, and distance d To determine: a.M if…

Q: *IMPORTANT NOTE: DO NOT make any stars' masses or stage of life answer. reference as a reason to the…

A: Given that both stars have roughly the same surface temperature, and also considering the typical…

Q: Our Sun is considered an "average" star. What is the average star really like? Explain. Could you go…

A: We can define an average star as:  An average star, or more properly, an intermediate-mass star,…

Q: Suppose you observe a tight eclipsing binary with orbital period of 3 days, and radial velocity…

A: 1. Suppose you observe a tight eclipsing binary with orbital period of 3 days, and radial velocity…

Q: a) (Palen, et. al., 2nd, Problem 45) Rigel has a Hipparcos parallax of 0.00412 arcsec. Given Rigel…

A: Rigel and Betelgeuse are located in the constellation of Orion, which are about 864.3 and 642.5…

Q: What measurements would you make (assuming you have the money, time, & equipment) to determine a…

A: In this question we have to answer what measurements we will make to determine the surface…

Q: A distant galaxy has an apparent magnitude of 13 and is 5,000 kpc away. What is its absolute…

A: Apparent Magnitude The apparent magnitude of a star or a galaxy is the measure of how bright the…

Q: like a black body with temperature 5800 K.  Use the Stefan-Boltzmann Law to calculate the Sun's…

A: Given: Sun's Radius (R) = 6.96 x 1010 cm  Stefan-Boltzmann Constant  (σ)=5.67 x 10-5 ergs/cm2 K4 s…

Q: . Imagine a giant sphere with a radius of 1 AU surrounding the Sun. What is the surface area of this…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: 51 Pegasi" is the name of the first normal star (besides the Sun) around which a planet was…

A:

Q: spectrum of this star, the H alpha line is observed to have a wavelength of 656.034 nm when measured…

A:

Q: Stellar Classification and H-R Diagram Placement (40 points available). a. Where is your star…

A: ..

Q: A bright red star is moving towards Earth. Which of the choices best completes the following…

A: Answer : - option D is correct. Explanation It is absorption because it is continuous spectrum,…

Q: a) Sketch a generic HR diagram, including labels for the axes. (Take a picture or scan your work and…

A: a) HR diagram is,

Q: Suppose YOUR body temperature averages 98.6 F. 1. How much radiant energy in Wm^-2 is emitted from…

A:

Q: Choose the statements that correctly describe the characteristics of the stars located in the…

A: Option-E is the correct option.

Q: Compute the distance to the following stars using the luminosity-distan relationship: m-M=5 log (d)…

A: Apparant Magnitude (m) = 9.95Absolute Magnitude (M) = 0.75

Q: Hubble’s Field of View. Large telescopes often have small fields of view. For example, the Hubble…

A: Given:  Field of view is square size with 0.06o on the side.

Q: 14 Suppose you see two main-sequence stars of the same spectral type. Star 1 is dimmer in apparent…

A: We know apparent magnitude(m) is related Radiant flux (F): F2F1=100(m1-m2)/5And…

Q: Astronomers use two basis properties of stars to classify them. These two properties are luminosity…

A: Introduction: The Hertzsprung–Russell diagram is a scatter plot of stars showing the relationship…

Q: 1.Suppose the spectrum of Star A peaks at 500 nm, Star B at 450 nm, and Star C at 400 nm. Which star…

A: Suppose the spectrum of star peaks at Star A,  Star B, Star C,

Q: A)The star 58 Eridani is a feint but naked-eye star similar to the Sun. Suppose that you are…

A: Given Data: (a) How many photons per second arrive at your retina. (b) How many photons per second…