10a - Our Sun Is the core of the sun solid, liquid or gas? How do...
10a - Our Sun Is the core of the sun solid, liquid or gas? How do we know this? How does the Sun make energy? Do all stars do this?
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10a - Our Sun Is the core of the sun solid, liquid or gas? How
do...
1. How do we know the phenomena of the sun are magnetic? 2. What process do...
1. How do we know the phenomena of the sun are magnetic? 2. What process do low/medium mass stars use to fuse H to He? 3. What process do higher mass stars use to fuse H to He? 4. how is the magnetic field of the earth generated? how does it change over time? 5. What planet was impacted so hard that its tilt now causes its poles to face the sun? 6. Why are bi polar jets a sign...
choose correct answer. no explanation needed QUESTION 10 How do astrophysicists account for neutrino emission from...
choose correct answer. no explanation needed
QUESTION 10 How do astrophysicists account for neutrino emission from the Sun? Solar flares create neutrinos with very energetic magnetic fields. Convection releases neutrinos, which random walk through the radiation zone. Fission in the Sun's core creates neutrinos when protons turn into neutrons. The annihilation of positrons and electrons in the core produces neutrinos. Fusion in the Sun's core creates neutrinos when protons turn into neutrons, QUESTION 11 How does the interstellar medium impact...
In its core the Sun changed, hydrogen into helium and produces energy by this nuclear fusion...
In its core the Sun changed, hydrogen into helium and produces energy by this nuclear fusion process. Each hydrogen atom has a positively charged center (a proton) and a negatively charged electron that exists around the periphery of the atom. The heat of the Sun pulls the electrons off the hydrogen atoms, leaving positively charged protons behind. To make energy the sun has to force these positively charged particles very close together so that a very strong but short range...
Stars much heavier than our sun will not form white dwarf, but collapse further, becoming (if con...
Stars much heavier than our sun will not form white dwarf, but collapse further, becoming (if condition are right) neutron stars. They result from the supernova explosion of a massive star, combined with gravitational collapse, that compresses the core past white dwarf star density to that of atomic nuclei. Eventually neutron degeneracy pressure stabilizes the collapse, just as the electron does for white dwarfs. The Fermi Energy is given by where Z/A =1 and V corresponds to volume. The neutron...
Classify each phase as describing a solid, liquid, or gas. Solid Liquid Gas no definite volume,...
Classify each phase as describing a solid, liquid, or gas. Solid Liquid Gas no definite volume, no definite shape particles are close together and do not move relative to each other particles are close together and can move past each other particles may be far apart and move randomly definite volume, definite shape definite volume no definite shape
L. Instead of focusing on buildings or trees, we often use the zodiac constellations as our coord...
L. Instead of focusing on buildings or trees, we often use the zodiac constellations as our coordinate system i.e we use the stars as our frame ofreference. That is, all our observations and measurements are made from the perspective we would have if riding' a star. In this frame of reference, what is the average velocity ofa zodiac star? In this frame of reference, does the sun generally travel East to West or West to East? i. ii. iii. In...
just b 1. In this question, you may assume that the core temperature in the Sun...
just b
1. In this question, you may assume that the core temperature in the Sun is T=15x106K. a Relatively low mass stars utstr eam Santo Toletin homology show that the central temperature in such stars scales as b) For hydrogen burning via the p-p chain to ignite, the temperature at the centre of the star must be larger than 4x106K. Calculate the minimum mass (in Solar masses) a star must have to ignite hydrogen. How does this compare to...
Phase changes are transitions between solid, liquid, and gas phases. For example, ice melting is an...
Phase changes are transitions between solid, liquid, and gas phases. For example, ice melting is an example of a phase change from a solid (ice) to a liquid (water). Phase changes involve changes in energy. Which of the statements regarding phase changes are true? Sublimation is the conversion of a gas to a solid. Freezing is the conversion of a gas to a liquid. Deposition is the conversion of a gas to a solid. Melting is the conversion of a...
4. The other phase change that can happen is liquid to gas. Similar to the phase...
4. The other phase change that can happen is liquid to gas. Similar to the phase change of solid to liquid, the temperature of the system does not change. All of the energy goes into the phase change. Only now instead of the latent heat of fusion, we have the latent heat of vaporization: Q = mly How much heat must be added to 3.8 kg (1 gallon) of water for half of it to be changed into gas? The...
4. The other phase change that can happen is liquid to gas. Similar to the phase...
4. The other phase change that can happen is liquid to gas. Similar to the phase change of solid to liquid, the temperature of the system does not change. All of the energy goes into the phase change. Only now instead of the latent heat of fusion, we have the latent heat of vaporization: Q = mL How much heat must be added to 3.8 kg (1 gallon) of water for half of it to be changed into gas? The...
choose correct answer. no explanation needed
QUESTION 10 How do astrophysicists account for neutrino emission from the Sun? Solar flares create neutrinos with very energetic magnetic fields. Convection releases neutrinos, which random walk through the radiation zone. Fission in the Sun's core creates neutrinos when protons turn into neutrons. The annihilation of positrons and electrons in the core produces neutrinos. Fusion in the Sun's core creates neutrinos when protons turn into neutrons, QUESTION 11 How does the interstellar medium impact...
In its core the Sun changed, hydrogen into helium and produces energy by this nuclear fusion process. Each hydrogen atom has a positively charged center (a proton) and a negatively charged electron that exists around the periphery of the atom. The heat of the Sun pulls the electrons off the hydrogen atoms, leaving positively charged protons behind. To make energy the sun has to force these positively charged particles very close together so that a very strong but short range...
Classify each phase as describing a solid, liquid, or gas. Solid Liquid Gas no definite volume, no definite shape particles are close together and do not move relative to each other particles are close together and can move past each other particles may be far apart and move randomly definite volume, definite shape definite volume no definite shape
L. Instead of focusing on buildings or trees, we often use the zodiac constellations as our coordinate system i.e we use the stars as our frame ofreference. That is, all our observations and measurements are made from the perspective we would have if riding' a star. In this frame of reference, what is the average velocity ofa zodiac star? In this frame of reference, does the sun generally travel East to West or West to East? i. ii. iii. In...
just b
1. In this question, you may assume that the core temperature in the Sun is T=15x106K. a Relatively low mass stars utstr eam Santo Toletin homology show that the central temperature in such stars scales as b) For hydrogen burning via the p-p chain to ignite, the temperature at the centre of the star must be larger than 4x106K. Calculate the minimum mass (in Solar masses) a star must have to ignite hydrogen. How does this compare to...
Phase changes are transitions between solid, liquid, and gas phases. For example, ice melting is an example of a phase change from a solid (ice) to a liquid (water). Phase changes involve changes in energy. Which of the statements regarding phase changes are true? Sublimation is the conversion of a gas to a solid. Freezing is the conversion of a gas to a liquid. Deposition is the conversion of a gas to a solid. Melting is the conversion of a...
4. The other phase change that can happen is liquid to gas. Similar to the phase change of solid to liquid, the temperature of the system does not change. All of the energy goes into the phase change. Only now instead of the latent heat of fusion, we have the latent heat of vaporization: Q = mly How much heat must be added to 3.8 kg (1 gallon) of water for half of it to be changed into gas? The...
4. The other phase change that can happen is liquid to gas. Similar to the phase change of solid to liquid, the temperature of the system does not change. All of the energy goes into the phase change. Only now instead of the latent heat of fusion, we have the latent heat of vaporization: Q = mL How much heat must be added to 3.8 kg (1 gallon) of water for half of it to be changed into gas? The...
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