The most abundant element in the Sun is hydrogen. (T/F)
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: Why are metals less abundant in older stars than in younger stars?
A: Answer: The metals which basically are non hydrogen and helium material are produced or created in…
Q: Why are heavy elements (atomic number >26) typically only formed in supernovas or collisions of…
A: Heavier elements formed in supernovas and collision of stars
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: The radius of the sun is approximately 700,000 kilometers. What is the volume of the sun
A:
Q: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…
A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
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: Star A has a temperature of 3000K; Star B has a temperature of 5000K; Star C has a temperature of…
A: Given value--- temperature of star A = 3000 K. temperature of star B = 5000 K. Temperature of…
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: 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: When two stars are in the same star system, they can affect each other’s evolution. Two stars in the…
A: Two stars in the same system might evolve at a different pace, depending on their distances in the…
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: What causes a star to move off the main sequence?
A:
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: Order the sequence of events that occur when a start with roughly the mass of the Sun exhausts the…
A: A star that is roughly the size of our Sun is called a medium star, or mid-size star.When most of…
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: Tutorial Star A has a temperature of 6,000 K. How much energy per second (in J/s/m²) does it radiate…
A:
Q: What percentage of the mass of the solar nebula consisted of elements other than hydrogen and…
A:
Q: Planets in the habitable zone of their stars: O are so far from their stars that it is very…
A:
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: 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…
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- why does nuclear fusion in the sun only occur near the center?The Orion Nebula is about 20 light-years (20 × 1018 cm) across, enclosing a roughly spherical area with a volume of 4.19 × 1057 cm3. Calculate the number of 0.1 solar mass stars that might be formed in such a nebula. Assume that the nebula has a density of 1000 atoms/cm3.Why does nuclear fusion in the sun occur only near the center?
- If the radius of the sun is 7.001×105 km, what is the average density of the sun in units of grams per cubic centimeter? The volume of a sphere is (4/3)π r3. The sun is a sphere with an estimated mass of 2.00×1030 kg. What exactly is the conversion process for this?The Sun will get brighter as it begins to run out of fuel in its core. (T/F)Flares are caused by magnetic disturbances in the lower atmo- sphere of the Sun. (T/F)
- The microlensing technique for detecting extrasolar planets involves obtaining OBSERVING brightness measurements of a star and identifying brief, periodic dips in its brightness infrared images of a planet with the light from its host star blocked out a spectrum of a star and identifying periodic wavelength shifts in its features brightness measurements of a star and identifying a brief magnification in its brightness a spectrum of an extrasolar planet and identifying elements and compounds present in its atmosphereWhat evidence is there that star formation has occurred recently?The hottest star in the Orion Nebula has a surface temperature of 40,000 K. At what wavelength does it radiate the most energy?