c - Fsusd
... 25) According to Hubble’s law, the farther away a galaxy is, ______. a) the slower it is moving away from Earth b) the sooner it will stop moving c) the faster it is moving away from Earth ...
... 25) According to Hubble’s law, the farther away a galaxy is, ______. a) the slower it is moving away from Earth b) the sooner it will stop moving c) the faster it is moving away from Earth ...
and Concept Self-test (1,2,3,5,6,7,8,9)
... Earth orbits the Sun. This angle can then be converted to Parsecs. 2. A parsec (Pc) is the distance an object is if it appears to move one arc second as the Earth moves 2 AU’s from one side of the Sun to the other. A parsec is 3.26 light years long. 3. Two ways in which a star’s real motion translat ...
... Earth orbits the Sun. This angle can then be converted to Parsecs. 2. A parsec (Pc) is the distance an object is if it appears to move one arc second as the Earth moves 2 AU’s from one side of the Sun to the other. A parsec is 3.26 light years long. 3. Two ways in which a star’s real motion translat ...
Stellar Evolution (Powerpoint) 17
... • Then, star collapses under the weight and because it is electron degenerate, energy created will not expand the star and shut off the fusion. • So, entire star (carbon, mostly) undergoes fusion at once. What a star normally takes billions of years to burn, this star burns all at once. BIG explosio ...
... • Then, star collapses under the weight and because it is electron degenerate, energy created will not expand the star and shut off the fusion. • So, entire star (carbon, mostly) undergoes fusion at once. What a star normally takes billions of years to burn, this star burns all at once. BIG explosio ...
Homework #7 (Ch. 19)
... gravity continues to compress the gas and heat it until finally the core temperature reaches 10 million K, which is sufficient to initiate hydrogen fusion. The object is now a star. 3. Chaisson Review and Discussion 19.3 What is the role of rotation in the process of stellar birth? (3 points) As an ...
... gravity continues to compress the gas and heat it until finally the core temperature reaches 10 million K, which is sufficient to initiate hydrogen fusion. The object is now a star. 3. Chaisson Review and Discussion 19.3 What is the role of rotation in the process of stellar birth? (3 points) As an ...
Homework #3 Chapter 2: Light and Motion Due
... Review and Discussion: RD.2 Compare and contrast the gravitational and electric forces. Answer: The electric force is similar to the gravitational force in that it drops off by the inverse square of the distance. It is different in that it can be either attractive or repulsive; unlike charges attrac ...
... Review and Discussion: RD.2 Compare and contrast the gravitational and electric forces. Answer: The electric force is similar to the gravitational force in that it drops off by the inverse square of the distance. It is different in that it can be either attractive or repulsive; unlike charges attrac ...
How Do Astronomers Measure the Brightness of a Star?
... Apparent magnitudes only tell us how bright stars appear to be, NOT how bright they actually are. Look at the above example: -There are 2 stars that both shine with the exact same amount of light, BUT one of them is 10x further than the other ...
... Apparent magnitudes only tell us how bright stars appear to be, NOT how bright they actually are. Look at the above example: -There are 2 stars that both shine with the exact same amount of light, BUT one of them is 10x further than the other ...
The Hertzsprung-Russell Diagram
... (individual masses can be gotten if you have a signal from both stars) The orbital period comes from watching the stars, or the periodic variation of their velocity or brightness. To get orbital semimajor axis, you need either the parallax to a visual system or the velocity from a spectroscopic syst ...
... (individual masses can be gotten if you have a signal from both stars) The orbital period comes from watching the stars, or the periodic variation of their velocity or brightness. To get orbital semimajor axis, you need either the parallax to a visual system or the velocity from a spectroscopic syst ...
STUDY GUIDE FOR CHAPTER 1
... A. They go through first red giant, helium burning in the core, and double shell burning phases. B. Then they go through a sequence of situations where the core is contracting and heating up when no fusion is going on inside it and then stops contracting when the next type of fusion begins. Meanwhil ...
... A. They go through first red giant, helium burning in the core, and double shell burning phases. B. Then they go through a sequence of situations where the core is contracting and heating up when no fusion is going on inside it and then stops contracting when the next type of fusion begins. Meanwhil ...
The Hot-plate Model of a Star Model of Stars—5 Oct •
... What can I do to make the same hotplate at the same setting burn my hand and not burn my hand? (Without modifying the sun, what can I do to make the sun brighter or fainter?) A. B. ...
... What can I do to make the same hotplate at the same setting burn my hand and not burn my hand? (Without modifying the sun, what can I do to make the sun brighter or fainter?) A. B. ...
chapter6
... • Electron orbits in the electron cloud are restricted to very specific radii and energies. • These characteristic electron energies are different ...
... • Electron orbits in the electron cloud are restricted to very specific radii and energies. • These characteristic electron energies are different ...
Solutions: Exploring Blackbody Radiation using the PhET Simulation
... 16. Other Solar System Objects: a. What part of the EM spectrum would be useful to determine the surface temperature of objects such as asteroids? Explain your answer. Infrared b. The surface of Mars appears reddish. Is Mars ‘red-hot’? If so, what is its surface temperature? If not, where is the red ...
... 16. Other Solar System Objects: a. What part of the EM spectrum would be useful to determine the surface temperature of objects such as asteroids? Explain your answer. Infrared b. The surface of Mars appears reddish. Is Mars ‘red-hot’? If so, what is its surface temperature? If not, where is the red ...
WORD - UWL faculty websites
... 16. Other Solar System Objects: a. What part of the EM spectrum would be useful to determine the surface temperature of objects such as asteroids? Explain your answer. Infrared b. The surface of Mars appears reddish. Is Mars ‘red-hot’? If so, what is its surface temperature? If not, where is the red ...
... 16. Other Solar System Objects: a. What part of the EM spectrum would be useful to determine the surface temperature of objects such as asteroids? Explain your answer. Infrared b. The surface of Mars appears reddish. Is Mars ‘red-hot’? If so, what is its surface temperature? If not, where is the red ...
Free Referat Word Dimensiune: 63.5KB
... When the helium is exhausted in the core of a star like the sun, the C-O core will begin to contract again. Central temperatures will never reach high enough values for Carbon or Oxygen burning, but the Helium and Hydrogen burning shells will conyinue burning for a while. Throughout the star's lifet ...
... When the helium is exhausted in the core of a star like the sun, the C-O core will begin to contract again. Central temperatures will never reach high enough values for Carbon or Oxygen burning, but the Helium and Hydrogen burning shells will conyinue burning for a while. Throughout the star's lifet ...
Study Guide: Unit 1, The Universe and its Stars, HS
... 26) HS-ESS1-2 A star in which light cannot escape because of the immense gravitational pull at its surface is called a ________. A) red giant B) white dwarf C) black hole D) main-sequence star 27) HS-ESS1-1 The final stage in the evolution of the most massive stars is a ________. A) white dwarf B) m ...
... 26) HS-ESS1-2 A star in which light cannot escape because of the immense gravitational pull at its surface is called a ________. A) red giant B) white dwarf C) black hole D) main-sequence star 27) HS-ESS1-1 The final stage in the evolution of the most massive stars is a ________. A) white dwarf B) m ...