Red Giants
... about 5 billion years. You might want to mark your calendar!The long answer is that stars convert hydrogen to helium to produce light (and other radiation). As time progresses, the heavier helium sinks to the center of the star, with a shell of hydrogen around this helium center core. The hydrogen i ...
... about 5 billion years. You might want to mark your calendar!The long answer is that stars convert hydrogen to helium to produce light (and other radiation). As time progresses, the heavier helium sinks to the center of the star, with a shell of hydrogen around this helium center core. The hydrogen i ...
Supernova’s
... Dwarf Star. • White Dwarf Star exceeds 1.4 solar masses, star will collapse. • Leaves no remnants behind. ...
... Dwarf Star. • White Dwarf Star exceeds 1.4 solar masses, star will collapse. • Leaves no remnants behind. ...
Supernova
... • A binary can transfer gas from a giant to a white dwarf. • If the white dwarf exceeds MCH, gravity will exceed ...
... • A binary can transfer gas from a giant to a white dwarf. • If the white dwarf exceeds MCH, gravity will exceed ...
Chapter 4 Vocabulary
... frequency of a wave, occurring when the source of the wave or the observer is moving ...
... frequency of a wave, occurring when the source of the wave or the observer is moving ...
Final 2004
... (6.) The Sun, a garden variety star, derives its energy from a gravitational heating b hemi al burning thermonu lear fusion d onversion of rotation into me hani al energy (7.) Stellar death o urs when a ore annot rea h temperatures ne essary for further fusion b an iron ore is rea hed a bl ...
... (6.) The Sun, a garden variety star, derives its energy from a gravitational heating b hemi al burning thermonu lear fusion d onversion of rotation into me hani al energy (7.) Stellar death o urs when a ore annot rea h temperatures ne essary for further fusion b an iron ore is rea hed a bl ...
N.2 Formation of Mass
... 2. Strong Force: the force between the protons and neutrons of the nucleus of atoms. It holds the nucleus together. 3. Weak Force: An attraction between hydrogen atoms. Causes nuclear fusion between hydrogen atoms, it is the reason the sun burns. ...
... 2. Strong Force: the force between the protons and neutrons of the nucleus of atoms. It holds the nucleus together. 3. Weak Force: An attraction between hydrogen atoms. Causes nuclear fusion between hydrogen atoms, it is the reason the sun burns. ...
Nuclear Physics
... It is possible to alter the structure of a nucleus by bombarding it with small particles. Such events are called nuclear reactions: ...
... It is possible to alter the structure of a nucleus by bombarding it with small particles. Such events are called nuclear reactions: ...
Slide 1
... which occur for a single massive star and those which occur because of mass transfer onto a white dwarf in a binary system • Difference between the two types lies only in what gets the process started toward the explosion ...
... which occur for a single massive star and those which occur because of mass transfer onto a white dwarf in a binary system • Difference between the two types lies only in what gets the process started toward the explosion ...
Stars Answers - Science Skool!
... Nuclear fusion of hydrogen forms helium; heavy elements are formed by the fusion of lighter elements during a supernova 7. Describe how a star forms. Dust and gas is pulled together by gravity 8. What happens to massive stars after the red super giant stage? Outer layers are thrown into space which ...
... Nuclear fusion of hydrogen forms helium; heavy elements are formed by the fusion of lighter elements during a supernova 7. Describe how a star forms. Dust and gas is pulled together by gravity 8. What happens to massive stars after the red super giant stage? Outer layers are thrown into space which ...
astronomy 2 review sheet - Hicksville Public Schools
... 18. Describe a meteor, meteoroid and a meteorite. METEOR- STREAK OF LIGHT AS A METE0ROID BURNS UP IN THE EARTH’S ATMOSPHERE. METEOROID- A CHUNK OF ROCK OR DUST IN SPACE. METEORITE- A METEOROID THAT HITS THE EARTH’S SURFACE. 19. What force pulls together matter in stars? GRAVITY 20. If you look at an ...
... 18. Describe a meteor, meteoroid and a meteorite. METEOR- STREAK OF LIGHT AS A METE0ROID BURNS UP IN THE EARTH’S ATMOSPHERE. METEOROID- A CHUNK OF ROCK OR DUST IN SPACE. METEORITE- A METEOROID THAT HITS THE EARTH’S SURFACE. 19. What force pulls together matter in stars? GRAVITY 20. If you look at an ...
Slide 1
... 21.3 Supernovae (Don’t Write) The velocities of the material in the Crab nebula can be extrapolated back, using Doppler shifts, to the original explosion. ...
... 21.3 Supernovae (Don’t Write) The velocities of the material in the Crab nebula can be extrapolated back, using Doppler shifts, to the original explosion. ...
7.2 - Haiku
... nuclides of the lighter elements have approximately equal numbers of protons and neutrons? • However, as Z increases the `stability line' curves upwards. • Heavier nuclei need more and more neutrons to be stable. • Can we explain why? ...
... nuclides of the lighter elements have approximately equal numbers of protons and neutrons? • However, as Z increases the `stability line' curves upwards. • Heavier nuclei need more and more neutrons to be stable. • Can we explain why? ...
SES4U Life Cycle of a Star
... the protostar becomes a brown dwarf and never reaches star status If critical temperature is reached, nuclear fusion begins (H fuses into He for the first time) ...
... the protostar becomes a brown dwarf and never reaches star status If critical temperature is reached, nuclear fusion begins (H fuses into He for the first time) ...
Elements from Stardust
... energy, they can join together in a process called nuclear fusion. In nuclear fusion, atomic nuclei combine to form a larger nucleus, releasing huge amounts of energy in the process. Inside stars, nuclear fusion combines smaller nuclei into larger nuclei, thus creating heavier elements. For this ...
... energy, they can join together in a process called nuclear fusion. In nuclear fusion, atomic nuclei combine to form a larger nucleus, releasing huge amounts of energy in the process. Inside stars, nuclear fusion combines smaller nuclei into larger nuclei, thus creating heavier elements. For this ...
Solutions
... The rate at which temperature changes depends on the temperature itself, so you have to integrate the expression above. This is most simply written as Tf 1 ------ dT = ...
... The rate at which temperature changes depends on the temperature itself, so you have to integrate the expression above. This is most simply written as Tf 1 ------ dT = ...
1. Neutron stars 2. Black holes
... Novae and supernovae are two different types of beasts. A nova is an increase in the brightness of an accreting white dwarf star that is undergoing a surface explosion. The temporary and rapid change in luminosity can occur over a period of a few days. On the average, 2 or 3 novae are observed ...
... Novae and supernovae are two different types of beasts. A nova is an increase in the brightness of an accreting white dwarf star that is undergoing a surface explosion. The temporary and rapid change in luminosity can occur over a period of a few days. On the average, 2 or 3 novae are observed ...
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.