The Life of a Star
... Outer layers of the star swell into a red supergiant The core begins to yield to gravity and starts to shrink As it shrinks, it grows hotter and denser, and a new series of nuclear reactions, temporarily halting the collapse The core becomes essentially just iron, (because of iron's nuclear ...
... Outer layers of the star swell into a red supergiant The core begins to yield to gravity and starts to shrink As it shrinks, it grows hotter and denser, and a new series of nuclear reactions, temporarily halting the collapse The core becomes essentially just iron, (because of iron's nuclear ...
Stellar Evolution
... Nova/Super Nova • The core of a giant star produces too much energy in it’s core and causes the outside of the star to expand. • The outer layer of gasses are blown out to space (nova, or supernova), leaving behind a small, hot core… ...
... Nova/Super Nova • The core of a giant star produces too much energy in it’s core and causes the outside of the star to expand. • The outer layer of gasses are blown out to space (nova, or supernova), leaving behind a small, hot core… ...
Stellar Evolution and the HR Diagram Study Guide
... Any hot, bright sphere of gas like the sun is called a star ...
... Any hot, bright sphere of gas like the sun is called a star ...
Solutions
... 1. Transit of HD209548. The star HD209548, which has a transiting planet, is roughly the same size as our Sun, which has a radius of about 700,000 kilometers. The planetary transits block 1.7% of the ...
... 1. Transit of HD209548. The star HD209548, which has a transiting planet, is roughly the same size as our Sun, which has a radius of about 700,000 kilometers. The planetary transits block 1.7% of the ...
Stellar Evolution of Single Stars
... 1)Pre-main sequence evolution: a relatively short (~ 107-8 yrs) phase, but involving many complex processes. An active research area. 2)Main sequence phase: the longest phase of a star’s life ~ 1010 yrs for the Sun. Have M-L-R relations, Russell-Vogt theorem, as previously discussed. 3)Post-main seq ...
... 1)Pre-main sequence evolution: a relatively short (~ 107-8 yrs) phase, but involving many complex processes. An active research area. 2)Main sequence phase: the longest phase of a star’s life ~ 1010 yrs for the Sun. Have M-L-R relations, Russell-Vogt theorem, as previously discussed. 3)Post-main seq ...
The Hot-plate Model of a Star Model of Stars— 3 Oct
... hot-plate get to my hand? What are two ways to make a hot plate produce more energy per second? (The same question applies to a star: What are two ways to make a star brighter or more luminous?) What can I do to make the same hot-plate at the same setting burn my hand and not burn my hand? ...
... hot-plate get to my hand? What are two ways to make a hot plate produce more energy per second? (The same question applies to a star: What are two ways to make a star brighter or more luminous?) What can I do to make the same hot-plate at the same setting burn my hand and not burn my hand? ...
The Lives of Stars From Birth Through Middle Age (Chapter 9)
... Two atoms of hydrogen are combined to create helium-4 and energy in several steps: 1. Two protons combine to form a deuterium atom (hydrogen atom with one neutron and one proton), a positron (similar to electron, but with a positive charge) and a neutrino. 2. A proton and a deuterium atom combine to ...
... Two atoms of hydrogen are combined to create helium-4 and energy in several steps: 1. Two protons combine to form a deuterium atom (hydrogen atom with one neutron and one proton), a positron (similar to electron, but with a positive charge) and a neutrino. 2. A proton and a deuterium atom combine to ...
OP/IP27 Stars HR life of stars WS
... ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ...
... ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ...
Teaching ideas for Option E, Astrophysics
... questions about the Universe and its future evolution and eventual fate, questions that have been on man’s mind since ancient times. Unlike the ancients though, modern astrophysics has been able to provide precise methods that are helping answer these questions. Much of the success of modern astroph ...
... questions about the Universe and its future evolution and eventual fate, questions that have been on man’s mind since ancient times. Unlike the ancients though, modern astrophysics has been able to provide precise methods that are helping answer these questions. Much of the success of modern astroph ...
Which of the following statements is TRUE
... Studies of the Cosmic Microwave Background Radiation allow us to probe the properties of the Universe all the way back to Big Bang ...
... Studies of the Cosmic Microwave Background Radiation allow us to probe the properties of the Universe all the way back to Big Bang ...
Life Cycle of a Star
... May appear in supernova remnants, as isolated objects or in binary systems ...
... May appear in supernova remnants, as isolated objects or in binary systems ...
Twinkle, Twinkle Little Star
... How I Wonder What You Are… • Space acts as a nursery full of the stuff needed to give birth to stars.. – Gas – Dust The Space Nursery provides both these materials in the clouds in the atmosphere of space! ...
... How I Wonder What You Are… • Space acts as a nursery full of the stuff needed to give birth to stars.. – Gas – Dust The Space Nursery provides both these materials in the clouds in the atmosphere of space! ...
Problem set 2
... As experiments show, on Oct. 1 the sun subtends an angular diameter of 32 arcmin. (a) Calculate the solid angle Ω⊙ subtended by the sun, in steradians. (b) Show that the flux (in W m−2 s−1 or its cgs equivalent) of solar radiation on earth is F = I(T⊙ ) · Ω⊙ with T⊙ = 5777 K, and calculate this valu ...
... As experiments show, on Oct. 1 the sun subtends an angular diameter of 32 arcmin. (a) Calculate the solid angle Ω⊙ subtended by the sun, in steradians. (b) Show that the flux (in W m−2 s−1 or its cgs equivalent) of solar radiation on earth is F = I(T⊙ ) · Ω⊙ with T⊙ = 5777 K, and calculate this valu ...
What can Spectroscopy tell us
... This is a spectrum of the Sun. The dark bands are called absorption lines and indicate different atoms present in the outer cooler layers of the Sun. The pattern of the absorption lines allows astronomers to determine the types of atoms and molecules that make up the star. Click on the links below ...
... This is a spectrum of the Sun. The dark bands are called absorption lines and indicate different atoms present in the outer cooler layers of the Sun. The pattern of the absorption lines allows astronomers to determine the types of atoms and molecules that make up the star. Click on the links below ...
Stars, H-R and Life Cycle of Star
... Two astronomers discovered a relationship between the absolute magnitude (real brightness) of a star and its surface temperature. They plotted the data on a graph. ...
... Two astronomers discovered a relationship between the absolute magnitude (real brightness) of a star and its surface temperature. They plotted the data on a graph. ...
Jeopardy Questions
... Q: What is the difference between a nova, a core-collapse supernova, and a Type Ia supernova? A: Nova – Material falls on WD, fuses in small burst of energy. Type Ia Supernova – Material falls on WD, builds up until Chandrasekhar limit, and then everything explodes. Core-collapse Supernova – Massive ...
... Q: What is the difference between a nova, a core-collapse supernova, and a Type Ia supernova? A: Nova – Material falls on WD, fuses in small burst of energy. Type Ia Supernova – Material falls on WD, builds up until Chandrasekhar limit, and then everything explodes. Core-collapse Supernova – Massive ...
Stellar_Evol
... the hotter it is, the hotter it is the brighter it burns • Mass is the most important • Determines brightness, temperature & diameter (volume) ...
... the hotter it is, the hotter it is the brighter it burns • Mass is the most important • Determines brightness, temperature & diameter (volume) ...
Life Cycle of Star Flipbook
... 2. Divide the paper in half again and then again (should have 8 rectangles on the paper) 3. Draw pictures of a star from birth to death as it goes from stage to stage. 4. Cut out pages and staple so that it flips in order from birth to death. ...
... 2. Divide the paper in half again and then again (should have 8 rectangles on the paper) 3. Draw pictures of a star from birth to death as it goes from stage to stage. 4. Cut out pages and staple so that it flips in order from birth to death. ...