Sample Final Exam for Physics 130-3
... of 0.9 c (relative to the spaceship). What is the half-life of the muons from your point of view on Earth? 2) A satellite, initially at rest in deep space, explodes into two pieces. Piece A has a rest mass of 190 kg and moves away at a speed of 0.28 c, while piece B moves in the exact opposite direc ...
... of 0.9 c (relative to the spaceship). What is the half-life of the muons from your point of view on Earth? 2) A satellite, initially at rest in deep space, explodes into two pieces. Piece A has a rest mass of 190 kg and moves away at a speed of 0.28 c, while piece B moves in the exact opposite direc ...
Deep Space Mystery Note Form 2
... The core could have temperatures of billions of degrees Celsius. Iron atoms are so squeezed so much. The forces of their nuclei create a recoil of the squeezed core. Then is the supernova. Type II Type II Binary stars are when there are two stars and they revolve around each other. In ...
... The core could have temperatures of billions of degrees Celsius. Iron atoms are so squeezed so much. The forces of their nuclei create a recoil of the squeezed core. Then is the supernova. Type II Type II Binary stars are when there are two stars and they revolve around each other. In ...
Linking Asteroids and Meteorites through Reflectance
... • 90% of classified stars are on main sequence • Main sequence stars are “young” stars • If a star is leaving the main sequence, it is at the end of its lifespan of burning hydrogen into helium ...
... • 90% of classified stars are on main sequence • Main sequence stars are “young” stars • If a star is leaving the main sequence, it is at the end of its lifespan of burning hydrogen into helium ...
Brock physics - Brock University
... (c) the radius of the region around a neutron star within which X-ray bursts occur. (d) * the radius of the region around a black hole within which not even light can escape. ...
... (c) the radius of the region around a neutron star within which X-ray bursts occur. (d) * the radius of the region around a black hole within which not even light can escape. ...
Prelab01
... All matter is made of atoms containing a nucleus of neutrons (no charge) + protons (charge = +1.6 x10-19 C) surrounded by a “cloud” of electrons (charge = -1.6 x 10-19 C). Note that the number of electrons and protons in an atom are the SAME. In solid matter, the atomic nuclei might vibrate but do ...
... All matter is made of atoms containing a nucleus of neutrons (no charge) + protons (charge = +1.6 x10-19 C) surrounded by a “cloud” of electrons (charge = -1.6 x 10-19 C). Note that the number of electrons and protons in an atom are the SAME. In solid matter, the atomic nuclei might vibrate but do ...
SupernovaExplosionPhysics_8pages
... GeV/fm2 ) which are compressed by the collapse, but then spring back to equilibrium, thus the bounce. 7. The bounce sends a shock wave outward at high velocity, blowing off the remaining stellar atmosphere in the process. One the shock reaches the outer atmosphere, the photons emitted by recombinati ...
... GeV/fm2 ) which are compressed by the collapse, but then spring back to equilibrium, thus the bounce. 7. The bounce sends a shock wave outward at high velocity, blowing off the remaining stellar atmosphere in the process. One the shock reaches the outer atmosphere, the photons emitted by recombinati ...
PowerPoint - Chandra X
... High resolution observations revealed the existence of soft (kT ~ 0.24 keV) point source of X-rays -presumably a neutron star-- embedded in a nebula of cometary morphology within the supernova remnant. Interpreting the cometary nebula as due to a pulsar wind with a bow shock due to its motion throug ...
... High resolution observations revealed the existence of soft (kT ~ 0.24 keV) point source of X-rays -presumably a neutron star-- embedded in a nebula of cometary morphology within the supernova remnant. Interpreting the cometary nebula as due to a pulsar wind with a bow shock due to its motion throug ...
Star Cycle Notes
... As the star collapses, the particles within the star (now mostly helium) heat up and get squeezed so tightly they begin to fuse and form larger atoms like carbon and oxygen. Nuclear fusion restarts, but much more powerfully this time. The restart of nuclear fusion in the star’s core expands the star ...
... As the star collapses, the particles within the star (now mostly helium) heat up and get squeezed so tightly they begin to fuse and form larger atoms like carbon and oxygen. Nuclear fusion restarts, but much more powerfully this time. The restart of nuclear fusion in the star’s core expands the star ...
molecular clouds
... • Today stars form in a complex environment • Hydrogen and helium are the predominant components of the ISM, but it is enriched with heavier elements from earlier stars (created in stellar fusion and supernova explosions). ...
... • Today stars form in a complex environment • Hydrogen and helium are the predominant components of the ISM, but it is enriched with heavier elements from earlier stars (created in stellar fusion and supernova explosions). ...
Stellar Evolution
... The stars mass will never get high enough to fuse carbon, so no more energy is produced. The outer layers of gas expand and are driven off. This gas is called a planetary nebula. Only the core is left which is a white hot ball of carbon called a white dwarf. ...
... The stars mass will never get high enough to fuse carbon, so no more energy is produced. The outer layers of gas expand and are driven off. This gas is called a planetary nebula. Only the core is left which is a white hot ball of carbon called a white dwarf. ...
PHY140Y 33 Nuclear Properties - University of Toronto, Particle
... A nucleus is characterized by the number of protons and neutrons it has. The number of protons, the “atomic number” or N , serves to define the type of nucleus it is and what element it is associated with, whereas the total number of protons and neutrons, the “atomic mass number” or A, is a measure o ...
... A nucleus is characterized by the number of protons and neutrons it has. The number of protons, the “atomic number” or N , serves to define the type of nucleus it is and what element it is associated with, whereas the total number of protons and neutrons, the “atomic mass number” or A, is a measure o ...
protostars low mass stars intermediatemass stars red giant planetary
... When an intermediatemass star leaves the main sequence as it runs out of hydrogen, the shell of gases around the star begin to expand and cool, causing a reddish glow.This is where the term red giant comes from. These stars are very bright because of their larger surface area. The core bec ...
... When an intermediatemass star leaves the main sequence as it runs out of hydrogen, the shell of gases around the star begin to expand and cool, causing a reddish glow.This is where the term red giant comes from. These stars are very bright because of their larger surface area. The core bec ...
Unit 1 - UW Madison Astronomy Department
... What causes the core of a s tar to contract during the main sequence phase of the star’s life? a. Helium has a larger atomic weight than hydrogen and exerts a stronger gravitational pull on the core. b. Convection in the outer layers carries energy out of the core more efficiently as the star ages c ...
... What causes the core of a s tar to contract during the main sequence phase of the star’s life? a. Helium has a larger atomic weight than hydrogen and exerts a stronger gravitational pull on the core. b. Convection in the outer layers carries energy out of the core more efficiently as the star ages c ...
Astronomy
... 31. A star with a temperature of 15,000 K and a luminosity approximately 1/100 of the sun is a: a. White Dwarf ...
... 31. A star with a temperature of 15,000 K and a luminosity approximately 1/100 of the sun is a: a. White Dwarf ...
doc
... same amount of energy as Earth, the planet would have to move the square root of 10,000 (=100) times further away... more than twice the distance of the orbit of Pluto. (Note: No such stars actually exist - even the hottest (non-whitedwarf) stars are only about 6-7 times the Sun's temperature, and t ...
... same amount of energy as Earth, the planet would have to move the square root of 10,000 (=100) times further away... more than twice the distance of the orbit of Pluto. (Note: No such stars actually exist - even the hottest (non-whitedwarf) stars are only about 6-7 times the Sun's temperature, and t ...
3 - MrFuglestad
... Red Giant – Hydrogen fusion ends in the core, but continues in a layer just outside the Helium core. The outer layers of the star expand because the area of Hydrogen being fused pushes the outer layers out. These outer layers cool and become less luminous. Therefore there is a change in size and co ...
... Red Giant – Hydrogen fusion ends in the core, but continues in a layer just outside the Helium core. The outer layers of the star expand because the area of Hydrogen being fused pushes the outer layers out. These outer layers cool and become less luminous. Therefore there is a change in size and co ...
WHAT IS A STAR? - cloudfront.net
... takes place and energy radiates outward through the condensing ball of gas. ...
... takes place and energy radiates outward through the condensing ball of gas. ...
Stellar Evolution
... and diameter. In fact, astronomers have discovered that the mass and the composition (makeup) of a star determine nearly all its other properties. ...
... and diameter. In fact, astronomers have discovered that the mass and the composition (makeup) of a star determine nearly all its other properties. ...
Death of Stars
... Birth Place of Stars: Dark and cold inter-stellar clouds These clouds are made of more hydrogen than helium. These clouds have very small amount of heavier elements. ...
... Birth Place of Stars: Dark and cold inter-stellar clouds These clouds are made of more hydrogen than helium. These clouds have very small amount of heavier elements. ...
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.