Why do two different gasses always have different spectral signatures?
Q: At what wavelengths do stars of surface temperates 20 000 K, 10 000 K, and 3000 K have their peak…
A: Given temperatures as below :- Temperature (T) = 20000 K. Temperature (T) = 10000 K. Temperature (T)…
Q: A star has a surface temperature of T = 10,000 K and a radius three times that of the Sun, R = 3R…
A:
Q: What is an emission nebula?
A: The space between stars and galaxies is filled with clouds of gas and dust. These clouds of gas and…
Q: Why is the sun orange?
A:
Q: If one star has a temperature of 5,000 K and another star has a temperature of 8,500 , how much more…
A:
Q: Two stars of the same diameter or observed to have surface temperatures of 4000 Kelvin and 16,000…
A:
Q: What property of a star had a greater effect on the amount of light emitted—its temperature or its…
A: A very small increase in the temperature of star can significantly increase the energy emitted per…
Q: why is the sun hot?
A: Sun can be defined as the star at the centre of the solar system, it is also called a heavenly body…
Q: The dust in a molecular cloud has a temperature of about 34 K. At what wavelength (in nm) does it…
A: temperature = T = 34 K wavelength = λmax=?
Q: Explain why the sky is blue and how that relates to reflection nebulae.
A: Dispersion. Despersion is a phenomena in which when light passes beteen 2 particle it disperses.
Q: 2.64 x 10 K and a radius distance of Teegarden b from its star to be 0.0252 au ("astronomical…
A: The averaged temperature on the surface of Tgarden b over the course of its year. Given,temperature…
Q: If you could run 5.9 kilometers at 8.4 km/hr, how much energy would you burn?This activity uses up…
A: Given: Speed v=8.4 km/hr=8.41000m3600s=8.4518m/s, Distance d=5.9km=5.9×1000m=5900m, Rate of energy…
Q: If the Sun expanded to a radius 10 times its current size and its temperature decreased by 55%, how…
A: Given Radius of sun increased by 10 times Temp decreased buy 55% Tf = 0.45 Ti
Q: What is the approximate temperature of the sun at its chromosphere ?
A: The chromosphere is the third layer of Sun. It ranges from 400 km to 2100 km above the solar…
Q: Describe the relationship between the concept of hydrostatic equilibrium and the interior structure…
A: On each and every star in the astrophysics, there are always two forces acting. The first force is…
Q: Why massive stars are short lived?
A: A massive star has a shorter life spanthan an average star because of fasterhydrogen fuel…
Q: How does the temperature of the peak (maximum) wavelength of 41 Cygni (at baseline level) compare…
A: Answer: The temperature of the peak (maximum) wavelength of 41 Cygni (at baseline level) by…
Q: Why does hydrogen, which is abundant in the sun's atmosphere, have relatively weak spectral lines,…
A: Atmos has electrons in different energy levels. Spectral lines are formed when electrons make…
Q: In the Sub giant phase which of the following is true? O The star is burning He in the core O The…
A: Given : In the Sub giant phase The star is burning He in the core The star is burning He in a shell…
Q: If the hottest star in the Carina Nebula has a surface temperature of 51,000 K, at what wavelength…
A: Concept: "The Wien's displacement law states that the wavelength carrying maximum energy is…
Q: If each square cm of the sun's surface radiates energy at the rate of 1.5x 10° cal/s/cm? and…
A: A blackbody is an object that is capable of absorbing all the radiation that falls on it and…
Q: if the sun expanded to a radius 200 times its present radius what would its average density ne in…
A:
Q: What the main differences that can occur between the life cycles of a Sun-sized star and a massive…
A: We have to mention the main differences that can occur between the life cycles of a Sun-sized star…
Q: If our Sun were surrounded by a cloud of gas, would this cloud be an emission nebula? Why or why…
A: Emission nebulae are formed in regions surrounding young stars. When a star is formed in the…
Q: Why don't red dwarfs become giant stars?
A: Red dwarf stars or M-type stars are small stars with a mass of 0.08 to 0.6 times the mass of the…
Q: Consider a star for which the stellar power per unit area at distance 1 AU from the star is 3.7…
A: Write the expression for the radiated power at the surface of the star. P=σAT4P=σ(4πR2)T4 Here, σis…
Q: If the Sun expanded to a radius 160 times its current size and its temperature decreased by 55%, how…
A: SOlution: Given that Rnew = 160R Tnew = (1-0.55)T Tnew = (0.45)T
Q: Calculate the surface temperature of the star (in K), if the radius of the star is 9,7x10 m and the…
A: Given values: Radius of the star, R=97×108 mMass lost by the star per second, m=54×1010 kg
Q: Why do metal-poor stars have a wider range of orbital shapes than metal-rich stars like the sun?
A: Stars are classified into two categories. Population I and Population II. Population I stars are…
Q: The life cycle of a star in order (rearrange the steps below.) In the nebula, compact pockets of…
A: The correct order of the life of a star is listed below :
Q: Calculate the surface temperature of the star (in K), if the radius of the star is 4,3x10° m and the…
A: Given : radius of star R = 4.3 x 108 m mass lost per second = 26 x 1010 kg…
Q: Given that the solar spectrum corresponds to a temperature of 5800 K and peaks at a wavelength of…
A: A blackbody is an object that is capable of absorbing all the radiation that falls on it. Black-body…
Q: The diameter of the Kupffer cell in the image is 9.1 cm. Assuming it is spherical, calculate the…
A: Given, Diameter, D = 9.1 cm We know that volume of sphere = 43πD33
Q: The sun will eventually cease fusing nuclei in it interior and will then be dead what general term…
A: When the fusion in the core of sun ceases but still illumines due to helium carbon transformation,…
Q: A star has a luminosity (power output) of 9.2x1026 W and a diameter of 6.1x108 m. What is its…
A:
Q: In which component of the interstellar medium do new stars form? O molecular clouds O HII Intercloud…
A: Interstellar medium is the medium between matter and radiation. The matter are gases (gas cloud),…
Q: Describe the principle of hydrostatic equilibrium as it relates to the internal structure of a star.
A: Stars are formed due to the gravitational collapse of interstellar gas and fusion reaction. The…
Q: What evidence can you give that the corona has a very high temperature?
A: Sun is made up of different layers. Sun has layers of gas around it forming an atmosphere and the…
Why do two different gasses always have different spectral signatures?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps