Unit 8 Chapter 29
... Because the star is a place of intense heat and pressure, the atoms are torn apart into their component nuclei and electrons. By using Einstein's equation, astronomers were able to explain the huge quantities of energy produced by the sun. The sun changes about 4 million tons of mass into energy eve ...
... Because the star is a place of intense heat and pressure, the atoms are torn apart into their component nuclei and electrons. By using Einstein's equation, astronomers were able to explain the huge quantities of energy produced by the sun. The sun changes about 4 million tons of mass into energy eve ...
AST 207 Test 2 26 October 2011
... b. (2 pts.) Why does the helium in the core of the sun not fuse at the present time? (1 pt.) When that helium does fuse eventually, what will the helium become? The core of the sun is too cool to fuse helium. When it does fuse helium, the result will be carbon. c. (3 pts.) When the solar system was ...
... b. (2 pts.) Why does the helium in the core of the sun not fuse at the present time? (1 pt.) When that helium does fuse eventually, what will the helium become? The core of the sun is too cool to fuse helium. When it does fuse helium, the result will be carbon. c. (3 pts.) When the solar system was ...
Final Review Questions. 1. Compare the atmospheric scale height of
... 18. Why is it that at T ∼ 107 K, the proton-proton chain and the CNO cycle produce roughly the same amount of energy, even though the CNO cycle requires much higher Gamov energies (and thus has much lower quantum tunneling probabilities)? 19. Why does the central temperature of the Sun increase slig ...
... 18. Why is it that at T ∼ 107 K, the proton-proton chain and the CNO cycle produce roughly the same amount of energy, even though the CNO cycle requires much higher Gamov energies (and thus has much lower quantum tunneling probabilities)? 19. Why does the central temperature of the Sun increase slig ...
File - Mr. Catt`s Class
... 3. Narrow jets of gas (spicules) shoot upward from the chromosphere into the corona, reaching a height of 6,000 to 10,000 km and lasting from 10 to 20 minutes. 4. The temperature increases as we move outward from the photosphere; it is as high as 30,000 K in the outer portions of the chromosphere a ...
... 3. Narrow jets of gas (spicules) shoot upward from the chromosphere into the corona, reaching a height of 6,000 to 10,000 km and lasting from 10 to 20 minutes. 4. The temperature increases as we move outward from the photosphere; it is as high as 30,000 K in the outer portions of the chromosphere a ...
Chapter 8 Notes
... Energy Generation in the Sun: The ProtonProton Chain Energy gain = m*c2 = 0.43*10-11 J per reaction. Sun needs 1038 reactions, transforming 5 million tons of mass into energy every second, to resist its own gravity. ...
... Energy Generation in the Sun: The ProtonProton Chain Energy gain = m*c2 = 0.43*10-11 J per reaction. Sun needs 1038 reactions, transforming 5 million tons of mass into energy every second, to resist its own gravity. ...
CH .20 The Solar System I. Observing the solar system – sun
... II. The Sun – the star we orbit A. Interior of Sun 1. core – center of sun a. high temp. and pressure enables nuclear fusion 1) nuclear fusion – hydrogen atoms smash together to make helium a) some mass turns into energy in the form of heat and light 2. sun is about 5 billion years old, and should h ...
... II. The Sun – the star we orbit A. Interior of Sun 1. core – center of sun a. high temp. and pressure enables nuclear fusion 1) nuclear fusion – hydrogen atoms smash together to make helium a) some mass turns into energy in the form of heat and light 2. sun is about 5 billion years old, and should h ...
ppt - University of Waterloo
... 1. A hot, dense gas or hot solid object produces a continuous spectrum with no dark spectral lines (a blackbody) 2. A hot, diffuse gas produces bright spectral emission lines 3. A cool, diffuse gas in front of a source of a continuous spectrum produces dark absorption lines in the continuous spectru ...
... 1. A hot, dense gas or hot solid object produces a continuous spectrum with no dark spectral lines (a blackbody) 2. A hot, diffuse gas produces bright spectral emission lines 3. A cool, diffuse gas in front of a source of a continuous spectrum produces dark absorption lines in the continuous spectru ...
The sun is a star. It is a huge, spinning, glowing sphere of hot gas
... The sun is a huge, glowing sphere of hot gas. Most of this gas is hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements. The sun shines because it is burning hydrogen into helium in its extremely ho ...
... The sun is a huge, glowing sphere of hot gas. Most of this gas is hydrogen (about 70%) and helium (about 28%). Carbon, nitrogen and oxygen make up 1.5% and the other 0.5% is made up of small amounts of many other elements. The sun shines because it is burning hydrogen into helium in its extremely ho ...
Lecture 13: The stars are suns
... Stars are fusion reactors like our sun, with similar physical properties. Spectroscopes, atomic theory, and especially measurements of stellar distances (1838) made it possible for astronomers to derive properties of stars and establish the Sun-stellar connection. • Physical properties of stars we w ...
... Stars are fusion reactors like our sun, with similar physical properties. Spectroscopes, atomic theory, and especially measurements of stellar distances (1838) made it possible for astronomers to derive properties of stars and establish the Sun-stellar connection. • Physical properties of stars we w ...
Slides from the first lecture
... radius, which is related to the transport of energy from the core to the surface. – Radiation: the photons carry the energy as they move through the star, and are absorbed at a rate that depends on the opacity. Slow – Convection: buoyant, hot mass will rise. Very efficient where it works. – Conducti ...
... radius, which is related to the transport of energy from the core to the surface. – Radiation: the photons carry the energy as they move through the star, and are absorbed at a rate that depends on the opacity. Slow – Convection: buoyant, hot mass will rise. Very efficient where it works. – Conducti ...
PPT - McMaster Physics and Astronomy
... Stars are fusion reactors that convert lighter elements into heavier ones, liberating energy (from E=mc^2) They therefore continuously evolve as their fuels are used up. H burns to He, He burns to C, etc… Stellar end-states: white dwarfs, neutron stars, or black holes. In all of these cases, signifi ...
... Stars are fusion reactors that convert lighter elements into heavier ones, liberating energy (from E=mc^2) They therefore continuously evolve as their fuels are used up. H burns to He, He burns to C, etc… Stellar end-states: white dwarfs, neutron stars, or black holes. In all of these cases, signifi ...
sun elements
... •A hydrogen atom is made up of a proton, and a electron that orbits the proton. •In the Sun, collisions separate Hydrogen’s electron from the proton, freeing each to move about the solar interior. •A gas in which particles are ionized, or have electric charges, is called plasma (the fourth state of ...
... •A hydrogen atom is made up of a proton, and a electron that orbits the proton. •In the Sun, collisions separate Hydrogen’s electron from the proton, freeing each to move about the solar interior. •A gas in which particles are ionized, or have electric charges, is called plasma (the fourth state of ...
Observing the Solar System
... • Asteroids are made up of iron, nickel, stone or a combination of them. • It is believed that asteroids are actually parts of the solar system that never joined together. • Most asteroids are in the asteroid belt, a region that lies between the orbits of Mars and Jupiter. • Like comets, asteroids o ...
... • Asteroids are made up of iron, nickel, stone or a combination of them. • It is believed that asteroids are actually parts of the solar system that never joined together. • Most asteroids are in the asteroid belt, a region that lies between the orbits of Mars and Jupiter. • Like comets, asteroids o ...
Magnetic Fields of Sun PowerPoint
... active regions are places where the magnetic field is especially strong and often produces sunspots. Disruptions in magnetic fields near active regions can cause explosions on the sun such as solar flares and Coronal Mass ...
... active regions are places where the magnetic field is especially strong and often produces sunspots. Disruptions in magnetic fields near active regions can cause explosions on the sun such as solar flares and Coronal Mass ...
oct81
... 1000, 100-watt light bulbs. With about 6 billion people this would only be 6 1014 watts. We would need 670 billion more Earth’s doing the same thing to equal the energy output of the Sun. ...
... 1000, 100-watt light bulbs. With about 6 billion people this would only be 6 1014 watts. We would need 670 billion more Earth’s doing the same thing to equal the energy output of the Sun. ...
ASTRONOMICAL SOC IETY OF TASMANIA BULLETIN 160
... that the contracting of a gaseous sphere by its own gravitational attraction would provide a source of energy. The speaker pointed out that the energy produced in this way could not account for the prodigious amount of energy the sun has been giving out for millions of years. However, in recent year ...
... that the contracting of a gaseous sphere by its own gravitational attraction would provide a source of energy. The speaker pointed out that the energy produced in this way could not account for the prodigious amount of energy the sun has been giving out for millions of years. However, in recent year ...
Science 5th Grade Pacing Chart
... this context, the NAEP 2009 Science Framework (page 27) recommends using the more familiar term "weight" in the elementary grades with the distinction between mass and weight being introduced at the middle school level. In Ohio, students will not be assessed on the differences between mass and weigh ...
... this context, the NAEP 2009 Science Framework (page 27) recommends using the more familiar term "weight" in the elementary grades with the distinction between mass and weight being introduced at the middle school level. In Ohio, students will not be assessed on the differences between mass and weigh ...
Supernova worksheet ()
... bulb to your hand, in centimeters. Now you have Lbulb, dbulb, and dSun. You can plug these values into the bold equation above and calculate the Sun's luminosity in J/s. Do it! ...
... bulb to your hand, in centimeters. Now you have Lbulb, dbulb, and dSun. You can plug these values into the bold equation above and calculate the Sun's luminosity in J/s. Do it! ...
How is a Star`s Color Related to Its temperature?
... On a clear night you have surely noticed that some stars are brighter than cthers. But stars also have different colors. Rigel is blue. and Betelgense is red. Capella and ore" Sun are yellow, in this activity you will make your own Hertzsprung-Russell diagram. You will see how star brightness, color ...
... On a clear night you have surely noticed that some stars are brighter than cthers. But stars also have different colors. Rigel is blue. and Betelgense is red. Capella and ore" Sun are yellow, in this activity you will make your own Hertzsprung-Russell diagram. You will see how star brightness, color ...