Review: How does a star`s mass determine its life story?
... • Beyond the neutron star limit, no known force can resist the crush of gravity. • As far as we know, gravity crushes all the matter into a single point known as a singularity. ...
... • Beyond the neutron star limit, no known force can resist the crush of gravity. • As far as we know, gravity crushes all the matter into a single point known as a singularity. ...
Monster Black Holes - Indiana University Astronomy
... about 2200 x the black hole’s radius As the cloud approaches Sgr A*, gravity “spagettifies” the cloud ...
... about 2200 x the black hole’s radius As the cloud approaches Sgr A*, gravity “spagettifies” the cloud ...
title of lesson plan - Discovery Education
... When a giant star switches off, it goes out with a bang. While we see the outward explosion as a supernova, this masks the implosion going on inside. ...
... When a giant star switches off, it goes out with a bang. While we see the outward explosion as a supernova, this masks the implosion going on inside. ...
Black holes are found in space. Once you get past the horizon on a
... horizon on a black hole, you can never escape. You would be sucked in, and then die. At the bottom of a black hole is a “ball”, called a singularity. A black hole is invisible. The reason a black hole is invisible is because if light gets near a black hole it gets sucked in and can never escape. It ...
... horizon on a black hole, you can never escape. You would be sucked in, and then die. At the bottom of a black hole is a “ball”, called a singularity. A black hole is invisible. The reason a black hole is invisible is because if light gets near a black hole it gets sucked in and can never escape. It ...
The Astrophysics of Massive Black Hole Mergers
... – Preferentially occur in disk galaxies fueling is not merger driven. – Could have grown to their observed size by accreting tidally-disrupted stars alone! ...
... – Preferentially occur in disk galaxies fueling is not merger driven. – Could have grown to their observed size by accreting tidally-disrupted stars alone! ...
Chapter 14
... this can be discovered through variations of the pulsar period. As the planets orbit around the pulsar, they cause it to wobble around, resulting in slight changes of the observed pulsar period. ...
... this can be discovered through variations of the pulsar period. As the planets orbit around the pulsar, they cause it to wobble around, resulting in slight changes of the observed pulsar period. ...
Solving Trigonometric Equations First let`s recall how we solved
... If we have something other than just x then we will lose solutions if we are not careful. The technique to solve involves writing out all possible solutions first and then solving for x. ...
... If we have something other than just x then we will lose solutions if we are not careful. The technique to solve involves writing out all possible solutions first and then solving for x. ...
A Galaxy Full of Black Holes - American Geosciences Institute
... region of space where space is curved around it so completely and gravity becomes so strong that nothing, not even light, can escape. Mass is so great in such a small volume that the velocity needed to escape is greater than the speed light travels. ...
... region of space where space is curved around it so completely and gravity becomes so strong that nothing, not even light, can escape. Mass is so great in such a small volume that the velocity needed to escape is greater than the speed light travels. ...
Document
... region of space where space is curved around it so completely and gravity becomes so strong that nothing, not even light, can escape. Mass is so great in such a small volume that the velocity needed to escape is greater than the speed light travels. ...
... region of space where space is curved around it so completely and gravity becomes so strong that nothing, not even light, can escape. Mass is so great in such a small volume that the velocity needed to escape is greater than the speed light travels. ...
Document
... • Consequently the velocity v = a t = F/m t continues to increase over time without limits. It reaches the velocity of light c after the time t = v/a = c/a = mc/F. • In relativity, the mass increases as the velocity increases (Lect. 14, Slide 6). Combining Newton and relativity, one would expect ...
... • Consequently the velocity v = a t = F/m t continues to increase over time without limits. It reaches the velocity of light c after the time t = v/a = c/a = mc/F. • In relativity, the mass increases as the velocity increases (Lect. 14, Slide 6). Combining Newton and relativity, one would expect ...
The force law in relativity
... • Consequently the velocity v = a t = F/m t continues to increase over time without limits. It reaches the velocity of light c after the time t = v/a = c/a = mc/F. • In relativity, the mass increases as the velocity increases (Lect. 14, Slide 6). Combining Newton and relativity, one would expect ...
... • Consequently the velocity v = a t = F/m t continues to increase over time without limits. It reaches the velocity of light c after the time t = v/a = c/a = mc/F. • In relativity, the mass increases as the velocity increases (Lect. 14, Slide 6). Combining Newton and relativity, one would expect ...
Announcements
... Do they exist How do they form Explain curved space-time Is a BH a hole in the universe How can we know anything about them How can we find them Can one live forever inside them What is on the other side Why does time run slower How can more heat make gravity stronger Where does stuff go that falls ...
... Do they exist How do they form Explain curved space-time Is a BH a hole in the universe How can we know anything about them How can we find them Can one live forever inside them What is on the other side Why does time run slower How can more heat make gravity stronger Where does stuff go that falls ...
Superradiant amplification by stars and black holes
... Not less interesting are phenomena occurring due to the interaction of spinning BHs with generic bosonic fields, related to BH superradiance. Superradiance is a radiation enhancement process that occurs in dissipative systems. This process occurs in BHs due to dissipation at the event horizon, which ...
... Not less interesting are phenomena occurring due to the interaction of spinning BHs with generic bosonic fields, related to BH superradiance. Superradiance is a radiation enhancement process that occurs in dissipative systems. This process occurs in BHs due to dissipation at the event horizon, which ...
here - Event Horizon Telescope
... If a disk of gas and dust surrounds a black hole, the event horizon should look like a dark silhouette, surrounded by the glow of accreting material and framed with streaks of light. The silhouette effect happens for two reasons. First, light is fighting to survive. The black hole sits in the midst ...
... If a disk of gas and dust surrounds a black hole, the event horizon should look like a dark silhouette, surrounded by the glow of accreting material and framed with streaks of light. The silhouette effect happens for two reasons. First, light is fighting to survive. The black hole sits in the midst ...
LECTURE 14: LINEAR SYSTEMS AND EQUILIBRIUM SOLUTIONS
... equations (1) has a unique solution. This is also true for n × n matrices with the corresponding ~ /dt = A · Y~ has only the origin as its system of equations. Moreover, det(A) 6= 0 if and only if dY equilibrium solution. ...
... equations (1) has a unique solution. This is also true for n × n matrices with the corresponding ~ /dt = A · Y~ has only the origin as its system of equations. Moreover, det(A) 6= 0 if and only if dY equilibrium solution. ...
Black Holes
... All event horizons are spherical, no matter what the mass looked like before collapse. Black holes have no magnetic field (internal). ...
... All event horizons are spherical, no matter what the mass looked like before collapse. Black holes have no magnetic field (internal). ...
Slide 1
... warped spacetime… but this is pretty tricky if we aren’t comfortable with general relativity (ok, it’s pretty tricky even if you are… )! Multiple models can help us to understand by giving different angles on the issues, so let’s briefly review two other models we looked at for event horizons. There ...
... warped spacetime… but this is pretty tricky if we aren’t comfortable with general relativity (ok, it’s pretty tricky even if you are… )! Multiple models can help us to understand by giving different angles on the issues, so let’s briefly review two other models we looked at for event horizons. There ...
Solving Systems of Equations by Graphing PowerPoint
... 1. System of Equations - is a set of two or more equations with the same variables. 2. Solve a System by Graphing - graph the equations on the same coordinate plane and find the point of intersection ...
... 1. System of Equations - is a set of two or more equations with the same variables. 2. Solve a System by Graphing - graph the equations on the same coordinate plane and find the point of intersection ...
AMUSE-Virgo on the survival of super-massive black holes
... is the chance probability of having a LMXB Lx within the ACIS PSF, based on X-ray luminosity function of LMXBs: in the FIELD (Gilfanov 2004) in the absence of nuclear star clusters in GLOBULAR CLUSTERS (Sivakoff et al. 2007) in the presence of a nuclear cluster ...
... is the chance probability of having a LMXB Lx within the ACIS PSF, based on X-ray luminosity function of LMXBs: in the FIELD (Gilfanov 2004) in the absence of nuclear star clusters in GLOBULAR CLUSTERS (Sivakoff et al. 2007) in the presence of a nuclear cluster ...
