nuclear fusion
... nuclei falling in from outer shells stopped, partially disrupted made to bounce back as fragments release of p, n, high energy collisions ...
... nuclei falling in from outer shells stopped, partially disrupted made to bounce back as fragments release of p, n, high energy collisions ...
H-R Diagram
... • About 4 and a half billions years ago something interesting happened in an outof-the-way part of the galaxy. The sun ignited at the center of a cloud of gas and dust. The rest, as they say, is history. • We now know that stars (the sun included) are born in dust clouds, redden and swell to many ti ...
... • About 4 and a half billions years ago something interesting happened in an outof-the-way part of the galaxy. The sun ignited at the center of a cloud of gas and dust. The rest, as they say, is history. • We now know that stars (the sun included) are born in dust clouds, redden and swell to many ti ...
Chapter 13: The Death of Stars
... high-energy particles At this time, no star capable of producing a supernova is less than 50 ly away. The most massive star known (~ 100 solar masses) is ~ 25,000 ly from ...
... high-energy particles At this time, no star capable of producing a supernova is less than 50 ly away. The most massive star known (~ 100 solar masses) is ~ 25,000 ly from ...
LIFE CYCLE OF A STAR
... mass of the sun, the star may contract. The 3x star contracts because of the strength of its gravity. The force of the contraction CRUSHES the dense center of the star. It leaves a BLACK HOLE. BLACK HOLE: An object that is so massive that light cannot escape its gravity. WOOH! ...
... mass of the sun, the star may contract. The 3x star contracts because of the strength of its gravity. The force of the contraction CRUSHES the dense center of the star. It leaves a BLACK HOLE. BLACK HOLE: An object that is so massive that light cannot escape its gravity. WOOH! ...
the life cycle of stars
... • A main sequence star with a mass of more than about 10 Suns experiences a spectacular end. • It swells into a red supergiant with cooling, expanding outer layers. • Eventually its core collapses, causing a huge explosion known as a ...
... • A main sequence star with a mass of more than about 10 Suns experiences a spectacular end. • It swells into a red supergiant with cooling, expanding outer layers. • Eventually its core collapses, causing a huge explosion known as a ...
Stellar Evolution - Harnett County High Schools Wiki
... Basic Structure of Stars Mass and composition of stars determine nearly all of the other properties of stars More massive a star is, the greater the gravity is, and the hotter and denser the star is inside ...
... Basic Structure of Stars Mass and composition of stars determine nearly all of the other properties of stars More massive a star is, the greater the gravity is, and the hotter and denser the star is inside ...
Cosmic Objects – Cosmology – Study Guide
... 1. Emission (or Diffuse) bright dust and gas due to hot gases (usually red or green) 2. Reflection bluish dust and gas that is light being reflected off nearby star(s) 3. Dark cold dust and gas obscuring all light 4. Planetary stellar remnant of small, dying star’s blown away atmosphere 5. Supernova ...
... 1. Emission (or Diffuse) bright dust and gas due to hot gases (usually red or green) 2. Reflection bluish dust and gas that is light being reflected off nearby star(s) 3. Dark cold dust and gas obscuring all light 4. Planetary stellar remnant of small, dying star’s blown away atmosphere 5. Supernova ...
Name: Period : ______ The Universe – Life and Death of a Star How
... 26. While our Sun is a cosmic loner, more than half of all stars are part of _______________________. 27. When a white dwarf pulls in enough material from its companion star and explodes, it is known as a Type 1-A _________________________. 28. Although a supernova is very bright, the visible light ...
... 26. While our Sun is a cosmic loner, more than half of all stars are part of _______________________. 27. When a white dwarf pulls in enough material from its companion star and explodes, it is known as a Type 1-A _________________________. 28. Although a supernova is very bright, the visible light ...
On the Star Production by Cosmic
... star agent is 7t-meson produced by only rrays in equilibrium with the ,a-meson component underground, since the additive interaction of ,a-meson with matter should cause considerable modifications in the absorption spectrum of the cosmic-ray underground. This idea, however, is insufficient, because ...
... star agent is 7t-meson produced by only rrays in equilibrium with the ,a-meson component underground, since the additive interaction of ,a-meson with matter should cause considerable modifications in the absorption spectrum of the cosmic-ray underground. This idea, however, is insufficient, because ...
Quantum Physics and Nuclear Physics
... in an excited state, elevated to a higher nuclear energy level. It can become more stable by emitting a gamma particle and thus falling to an energy level closer to its ground state. ...
... in an excited state, elevated to a higher nuclear energy level. It can become more stable by emitting a gamma particle and thus falling to an energy level closer to its ground state. ...
Stellar Evolution
... so tightly they touch each other, at which point the collapse is stopped. At this point the star explodes in what is called a type II supernova. During these explosions, free neutrons may be captured by atoms to produce elements heavier than iron. The debris from a supernova can create a nebul ...
... so tightly they touch each other, at which point the collapse is stopped. At this point the star explodes in what is called a type II supernova. During these explosions, free neutrons may be captured by atoms to produce elements heavier than iron. The debris from a supernova can create a nebul ...
Our Place in the Universe: Sizing up the Heavens
... Amazingly, the Greater the Distance, the Greater the Red-Shift ...
... Amazingly, the Greater the Distance, the Greater the Red-Shift ...
White Dwarf star. Are
... So a star has a life similar to a battery that cannot be recharged. When the battery runs out of energy, it is finished. Our sun will run out of energy and it will be finished too. But this will not happen for another 5 billion years! ...
... So a star has a life similar to a battery that cannot be recharged. When the battery runs out of energy, it is finished. Our sun will run out of energy and it will be finished too. But this will not happen for another 5 billion years! ...
Integrative Studies 410 Our Place in the Universe
... • Expect one in our galaxy about every hundred years • Six in the last thousand years; none since 1604 ...
... • Expect one in our galaxy about every hundred years • Six in the last thousand years; none since 1604 ...
Nuclear Binding Energy
... For an attractive potential combined rest mass < sum of the individual rest masses ...
... For an attractive potential combined rest mass < sum of the individual rest masses ...
Stellar Interiors
... What could power the Sun for this length of time? Chemical energy (burning) -Kelvin-Helmholtz contraction (gravitational energy) -Nuclear Fusion Reactions -- ...
... What could power the Sun for this length of time? Chemical energy (burning) -Kelvin-Helmholtz contraction (gravitational energy) -Nuclear Fusion Reactions -- ...
P-nuclei
p-Nuclei (p stands for proton-rich) are certain proton-rich, naturally occurring isotopes of some elements between selenium and mercury which cannot be produced in either s- or r-process.