Describe each of the following nebulae and how they can be observed: HIl region Cold hydrogen gas Dust clouds
Q: Which of the below is a possible evolutionary outcome for the Sun (given in the correct…
A: outcome for the sun is nebula, main sequence star, red giant, white dwarf. nebula collapses under…
Q: Suppose a planetary nebula is 4.6 pc in diameter, and Doppler shifts in its spectrum show that the…
A: The diameter of planetary nebula is given as, D=4.6 pc. Then, the radius of planetary nebula is…
Q: If a prostellar disk is 260 au in radius and the disk plus the forming star together contain 7 solar…
A:
Q: What would most bright nebulae look like if there were no interstellar dust?
A: A nebula is defined as a large region of interstellar clouds made of dust, hydrogen, helium, and…
Q: What is the orbital speed at the disk's outer edge in kilometers per second if a protostellar disk…
A:
Q: The water molecules now in your body were once part of a molecular cloud. Only about onemillionth of…
A:
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: What are the three possible outcomes of stellar evolution? Describe each possibility,…
A: The three possible outcomes of stellar evolution are: 1. White dwarf 2. Neutron Star 3. Black hole
Q: Presumably, the collapse causes the density of the cloud to increase. How does this stop…
A: As density increases, escape speed also increases. Hence, it is very difficult for the particles to…
Q: A molecular cloud is 22 pc in diameter and is located 303 pc from Earth. What is its angular size on…
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Q: What is an isochromat?
A: Solution: An isochromate can be defined by the standard definition as a microscopic group of spins…
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: For each type of stellar explosion, identify its progenitor star
A:
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: What factors resist the contraction of a cloud of interstellar matter?
A: Interstellar matter is defined as the space between the stars' systems in the galaxy. It is made…
Q: What critical event must occur in order for a protostar to become a star?
A: A very young star that is yet gathering mass from the parent molecular cloud is called a protostar.…
Q: If you assume that a globular cluster 6 arc minutes in diameter is actually 18 pc In diameter, how…
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Q: If a protostellar disk is 210 AU in radius and the disk plus the forming star together contain 4…
A: the orbital speed is, v=GMr one solar mass is 1.989×1030 kg and 1 AU is 1.496×1011 m. thus,…
Q: Now, rank the same objects by increasing temperature. For spherical objects, use the surface…
A: Intercloud gas: The gases other than intersteller gases present in space are known as intercloud…
Q: What elements made up most of the nebulaein the very young Universe?
A: We have to find out what elements forms the early nebulae
Q: Le Trifid Nebula.
A: SOL.The reason is the difference in wavelengths captured by each type of imaging.Explanation:The two…
Q: Again, if the Nebular theory is correct, then there are probably more planets in the universe than…
A: I strongly agree with the above statement "there are probably more planets in the universe than…
Q: 10 to 1,000 solar masses.
A: HI regions: HI region is a cloud in the interstellar medium composed of neutral (non-ionized)…
Q: Please give answer. Describe, with the aid of suitable diagrams, the basic structure and components…
A: ATLAS detector at the LHC. We have to give information about structure and components of the ATLAS…
Q: protostar • main-sequence • post-main-sequence
A: A Hertzsprung–Russell diagram (HR diagram) is a plot of stars' luminosity versus temperature, which…
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: When a region of a molecular cloud collapses, a protostar is formed. How do the temperature and…
A: Protostars form primarily in the spiral arms of galaxies in the modern era, which spans at least the…
Q: Are the Gas giants only made out of gas?
A: Step1 - Understanding what is a Gas giant. A gas giant is a GIANT planet that is made of gas but…
Q: The nebula formed when a dying sun sized star begins to shed its outer layer is called as…
A: D
Q: tain
A: Given:- (a) For given TLC: The solvent front is 5.5 cm.
Q: At the average density of of a star-forming molecular cloud, about 1180 atoms per cm3, determine how…
A:
Q: The Solar nebula was "mostly" b. hydrogen compounds: ammonia, methane and water c. heavier elements…
A: NEBULA:- A nebula is a giant cloud of dust and gas in space. Some nebulae come from yhe gas and dust…
Q: Protostar
A: Protostar is
Q: suppose a planetary nebula is 2.8 pc in diameter, and doppler shifts in its spectrum show that the…
A: Given information: The diameter of the nebula (D) = 2.8 pc = 2.8 (3.1×1013 km) = 8.68 ×1013 km The…
Q: you assume that a globular cluster 4 arc minutes in diameter is actually 27 pc in diameter, how far…
A:
Q: The first stars to form in our galaxy a. had circular orbits. b. had highly elliptical…
A: Population 1 stars are the newer and younger stars.
Q: Suppose a planetary nebula is 3.5 pc in diameter, and Doppler shifts in its spectrum show that the…
A:
Q: planetary nebula expands at 38 km/s. How far will it expand (in km) in 3 million years?
A: Here given nebula is expanding with given speed. As in 1 sec nebula expands 38 Km, In 3 million…
Q: A planetary nebula expands at 32 km/s. How far will it expand (in km) in 0.6 million years?
A: Expansion rate of the Nebula: It can be defined as the distance up to which the nebula expands in a…
Q: Based on what you know about main-sequence stars, select all of the correct statements from the…
A: Required : Correct statements .
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