The most abundant element in the Sun is hydrogen. (T/F)
Q: Which of these will the Sun probably become in the very distant future? (choose all that apply)…
A: In about 5 billion years, sun will burn up all of the hydrogen in its core, it will swell into a red…
Q: Gusts of the solar wind travel as fast as 1000 km/s. How many days would the solar wind take to…
A: Distance, d=vt 1) where, v=106 msd=1.496×1011 m
Q: Let's examine how we know that the Sun cannot power itself by chemical reactions. Using the fact…
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Q: bsorption lines produced by interstellar gas a. are wider than the lines from stars because the…
A: Introduction: The gas between stars is mostly hydrogen and helium scattered at varying densities…
Q: Assume that Hydrogen comprises 78% of the Sun’s mass. How much mass is this?
A: The original mass of the sun is,
Q: Which spectral line does this likely correspond to?
A: we can use the doppler shift formula to find laboratory wavelength.
Q: The radius of the Sun is 7x10⁸ m and its mass is 2x10³⁰kg.What is the density of the Sun (density =…
A:
Q: The figure below shows the radial velocity of a star plotted as a function of time over the course…
A: Required to find the position of the planet when it is moving at 18 km/s,
Q: The radius of the sun is approximately 700,000 kilometers. What is the volume of the sun
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Q: In a typical solar oscillation, the Sun’s surface moves up or down with a speed of 0.1m/s . If you…
A: Given data *The Sun’s surface moves up or down with a speed is v = 0.1m/s *The given wavelength is…
Q: Why are the Gas giants farther out in the solar system than the terrestrial(rocky) planets?
A: If we carefully observed in our solar system , solid ( rocky ) bodies are exist generally not gas…
Q: For a main sequence star with luminosity L, how many kilograms of hydrogen is being converted into…
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Q: There are as many absorption lines in the solar spectrum as there are elements present in the Sun.…
A: An atom, element, or molecule is capable of absorbing photons with energy equal to the energy…
Q: Calculate the energy flux density at the average distance of Venus from the Sun rv (energy flux…
A: Energy flux density at the average distance of VenusF=L4πrv2=1370 W/m24π1.082×1013 cm21 cm10-2…
Q: Considering that Earth experiences an average intensity of sunlight of 1330 W/m? and is at a…
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Q: This star has a mass of 3.3 MSun. what is the main sequence lifetime of this star? You may assume…
A: Given data: Mass of the star MStar=3.3 MSun. The life time of the main sequence star is given as,…
Q: Stars that contract the quickest to land on the zero-age main sequence on the H–R diagram a. are…
A: Zero Age Main Sequence (ZAMS) is the time when a star first joins the main sequence on the…
Q: receives from the Sun by 8.7 ×10-10 LO. Jupiter's radius is 7.1 ×109 cm and its mass is 1.9 ×10…
A: Given Data: Energy radiated by Jupiter is L=8.7×10-10Lo=8.7×10-10×3.91×1026W/s. The radius of…
Q: From Earth, the Sun appears brighter than any other star because the Sun is the
A: From Earth , the Sun appears brighter than any other star because the Sun is the ______
Q: Even though neutral hydrogen is the most abundant element in interstellar matter, it was detected…
A: Interstellar matter is the matter that exists in the space between the stars. It is mostly comprised…
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: Star 1 and star 2 have the same V-magnitude, V = 7.5. However, they have different B-magnitudes, B1…
A: Given data : Star 1 and star 2 V-magnitude, V = 7.5 B-magnitudes, B1 = 7.2 and B2 = 8.5 d2 = 10d1 To…
Q: Consider an M-dwarf star of mass 0.1M⊙ and luminosity 10−3L⊙. When the star joins the main sequence…
A: Luminosity of the star is defined as the power emitted by the star. Power is simply the energy…
Q: Two stars are found to orbit each other once every 6.00 months. If the orbital radius (distance)…
A: According to Kepler’s third law, for a binary star system, we have the following relation between…
Q: Star A and Star B are both on the main sequence. Star A is 63 times more luminous than Star B. What…
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Q: Use the Virial Theorem to estimate the temperature in the core of the Sun
A: Definition: Virial theorem states that when a system is in one equilibrium state and changes to…
Q: Let's calculate how much mass will be lost by the Sun during the course of its main-sequence…
A: Given The total mass of the Sun msun = 2 × 1030 kg Earth…
Q: The place on the H–R diagram where contracting protostars first become visible is a. the…
A: The place on the H–R diagram where contracting protostars first become visible is the birth line.
Q: The Sun has a mass of 1.989 × 10^30 [kg], but only 10% of that mass is available for hydrogen fusion…
A:
Q: Which of the following will occur to our Sun at some point in the future? (Select all that apply)…
A: The sun does not have that much mass to be exploded as a supernova.
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 sun is the center of our solar system. Choose three details that go with the main idea. The…
A: A red giant star star may be a dying star within the last stages of stellar evolution. in just a…
Q: What is the lifetime on the main sequence of a star whose surface temperature is 6500° K and whose…
A: Denote Stefan’s constant by σ. Evaluate the star’s luminosity (L) from its given temperature (T) and…
Q: The mass-luminosity relation describes the mathematical relationship between luminosity and mass for…
A: Given,mass =4M⊙ Note: We’ll answer the first question since the exact one wasn’t specified. Please…
Q: Select all of the statements about the main sequence stage in the life of a star that are TRUE:…
A: The statements about the main sequence stage in the life of a star that are TRUE: All stars spend…
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: The place on the H–R diagram where stars settle into the longest, most stable portion of their…
A: The place on the H–R diagram where stars settle into the longest, most stable portion of their…
Q: The Sun has a radius of 6.955×105 km and a mass of 1.989×1030 kg. What is the density of the Sun?…
A: Considering sun as a sphere, the volume of sun is
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: How would the interior temperature of the Sun be different if the strong force that binds nuclei…
A:
Q: What makes the TOI-270 system particularly interesting is that the three exoplanets detected this…
A: Given that:Time period of TOI 270c, T1=5.7 dayTime period of TOI 270d, T2=11.4 day
Q: Because of stellar nucleosynthesis, the spectra of old stars show more heavy elements than those of…
A: Nucleosynthesis is the process by which new atomic nuclei are created from pre-existing nucleons.…
Q: If the sun expanded to a radius 5000 times its present radius, what would its average density be (in…
A: The volumetric mean radius of the sun, R⊙=6695,700 km=6.695×106 km=6.695×106 ×105 cm =6.695×1011 cm…
Q: ASK YOUR TEACHER PRAC A red glant that was originally a 9.5Mun main-sequence star loses a solar mass…
A: 1) Time for loss of one solar mass = 100,000 years Loss of solar mass in 1 year = 1/100,000 per year…
Q: A star has a period of P = 37 days. It has a radius of 5.7 times the radius of the sun. Calculate…
A: The period of the star: P = 37 days (37 x 24 x 60 x 60 seconds = 3.2 x 106 seconds); The radius of…
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