Chapter 21 power point - Laconia School District
... outer layers have expanded and drifted out into space. ...
... outer layers have expanded and drifted out into space. ...
qwk4
... body and the wavelength of peak radiation bear an inverse relation to each other B. The luminosity of a black body is proportional to its temperature raised to the fourth power C. Atoms are capable of absorbing and re-emitting photons D. The energy of a photon is given by the formula: E = mc2 ...
... body and the wavelength of peak radiation bear an inverse relation to each other B. The luminosity of a black body is proportional to its temperature raised to the fourth power C. Atoms are capable of absorbing and re-emitting photons D. The energy of a photon is given by the formula: E = mc2 ...
When Stars Blow Up
... •All the H fuses to He and heavier elements in a soundcrossing time (a few minutes) •The star increases in brightness ~ 10,000 times •Most of the matter is ejected ...
... •All the H fuses to He and heavier elements in a soundcrossing time (a few minutes) •The star increases in brightness ~ 10,000 times •Most of the matter is ejected ...
Ay123 Fall 2011 STELLAR STRUCTURE AND EVOLUTION Problem Set 1
... e. Write down an explicit expression for the total gravitational potential energy of this toy star, and verify that the virial theorem is exactly satisfied. Be sure to discuss matter with a general equation of state, not just an ideal monatomic nonrelativistic gas. 2. The Kelvin-Helmholtz timescale: ...
... e. Write down an explicit expression for the total gravitational potential energy of this toy star, and verify that the virial theorem is exactly satisfied. Be sure to discuss matter with a general equation of state, not just an ideal monatomic nonrelativistic gas. 2. The Kelvin-Helmholtz timescale: ...
Universe CBA Review - cms16-17
... 1.) _____________ This is a cloud of gas and dust where a star first starts to form. ...
... 1.) _____________ This is a cloud of gas and dust where a star first starts to form. ...
A Star’s Life
... 1. Read the two life cycle assignments (part I and II). 2. Create a graphic organizer that summarizes what you are reading. 3. Check your answers to the questions of part I (summary questions at the end) and part II (sections 1, 2, 4 and 5) in schoology. Note: the true/false section (Those A-Maz-Ing ...
... 1. Read the two life cycle assignments (part I and II). 2. Create a graphic organizer that summarizes what you are reading. 3. Check your answers to the questions of part I (summary questions at the end) and part II (sections 1, 2, 4 and 5) in schoology. Note: the true/false section (Those A-Maz-Ing ...
The life cycle of a star
... When a star at least 30x’s the size of the Sun dies, the result is a black hole The core’s force is so strong, nothing can escape, not even light They can exist undetected The x-rays of a black hole can be detected and other objects orbiting it It is composed of matter only a few kilometres ...
... When a star at least 30x’s the size of the Sun dies, the result is a black hole The core’s force is so strong, nothing can escape, not even light They can exist undetected The x-rays of a black hole can be detected and other objects orbiting it It is composed of matter only a few kilometres ...
Massive Stars - University of Washington
... What Makes a Star a Star? Fusion More Likely A body that satisfies two conditions: (a) It is bound by self-gravity Hotter Core (b) It radiates energy supplied by and internal source An introduction to the theory of stellar structure and evolution by Dina Prialnik ...
... What Makes a Star a Star? Fusion More Likely A body that satisfies two conditions: (a) It is bound by self-gravity Hotter Core (b) It radiates energy supplied by and internal source An introduction to the theory of stellar structure and evolution by Dina Prialnik ...
The Sun and the Stars
... • What is the single most distinguishing feature of a star? • Luminosity is a term that astronomers use when describing the total amount of energy it radiated by the star ( the twinkle) • It can be measured more precisely as a star’s total energy output per second, measured in Joules per second (J/s ...
... • What is the single most distinguishing feature of a star? • Luminosity is a term that astronomers use when describing the total amount of energy it radiated by the star ( the twinkle) • It can be measured more precisely as a star’s total energy output per second, measured in Joules per second (J/s ...
Deep Space and Solar System
... • One light year is how far light travels in one year (based on distance NOT time) • We see all night stars as they were when the light we see left each star ...
... • One light year is how far light travels in one year (based on distance NOT time) • We see all night stars as they were when the light we see left each star ...
Hertzsprung - Russel Diagram
... 10. What color are the coolest stars? _____________ 11. What category of stars is hot but not very luminous? ______________________________ 12. If you know a stars color, you can determine it’s ______________________________________. 13. The H-R Diagram is based on what two criteria? A. ____________ ...
... 10. What color are the coolest stars? _____________ 11. What category of stars is hot but not very luminous? ______________________________ 12. If you know a stars color, you can determine it’s ______________________________________. 13. The H-R Diagram is based on what two criteria? A. ____________ ...
Ginger Dublin 6th Grade Science
... collapse. • So dense that even light can’t escape its gravity. ...
... collapse. • So dense that even light can’t escape its gravity. ...
L19-Review2
... each other. By what factor precisely does the force that they inflict on each other change? They are moved back to 10 inches distance, but now one has a charge that is twice that of before. How does the force differ from the original set-up? ...
... each other. By what factor precisely does the force that they inflict on each other change? They are moved back to 10 inches distance, but now one has a charge that is twice that of before. How does the force differ from the original set-up? ...
Tutorial: Motion
... If you get stuck or are not sure of your answer ask another group If you get really stuck or don’t understand what the Lecture Tutorial is asking as one of us for help ...
... If you get stuck or are not sure of your answer ask another group If you get really stuck or don’t understand what the Lecture Tutorial is asking as one of us for help ...
Star Life Cycle - GSHS Mrs. Francomb
... Pumbaa: Oh. Gee. I always thought that they were balls of gas burning billions of miles away. Timon: Pumbaa, wit' you, everything's gas. ...
... Pumbaa: Oh. Gee. I always thought that they were balls of gas burning billions of miles away. Timon: Pumbaa, wit' you, everything's gas. ...
The Milky Way
... • Luminosity (L): The total amount of energy a star radiates in 1 second per square meter. • Brightness (B): Energy received from the source at different distances. • Inverse square Law: B ≈ 1/(distance)2 Light rays • B = L / 4πR2 • Sun 5 x 1026 watts ...
... • Luminosity (L): The total amount of energy a star radiates in 1 second per square meter. • Brightness (B): Energy received from the source at different distances. • Inverse square Law: B ≈ 1/(distance)2 Light rays • B = L / 4πR2 • Sun 5 x 1026 watts ...
Chapter 30.1
... A star is a body of gases that gives off energy in the form of light & heat. Size varies Color varies based on temperature Our sun is an average star ...
... A star is a body of gases that gives off energy in the form of light & heat. Size varies Color varies based on temperature Our sun is an average star ...