Do flares in Saggitarius A* reflect the last stage of tidal capture
... more eccentric (parabolic) with the angular momentum slowly approaching the angular momentum of tidal capture l=4 m MBH c . The last tidal kick, that occurs just before capture, releases ~10% mc2 of tidal energy to the asteroid, which is more than enough to heat it to X-ray temperatures. ...
... more eccentric (parabolic) with the angular momentum slowly approaching the angular momentum of tidal capture l=4 m MBH c . The last tidal kick, that occurs just before capture, releases ~10% mc2 of tidal energy to the asteroid, which is more than enough to heat it to X-ray temperatures. ...
Monster Black Holes - Indiana University Astronomy
... could not escape from a star 500 x the Sun’s radius and the same density (125,000,000 solar masses!) • The star would be dark! ...
... could not escape from a star 500 x the Sun’s radius and the same density (125,000,000 solar masses!) • The star would be dark! ...
Gravitational potential energy
... • The bolometric luminosities of the central regions of some galaxies is much larger than the Eddington luminosity • Variability in X-rays: Causality demands that the scale of variability corresponds to an upper limit to the light-travel time ...
... • The bolometric luminosities of the central regions of some galaxies is much larger than the Eddington luminosity • Variability in X-rays: Causality demands that the scale of variability corresponds to an upper limit to the light-travel time ...
c - Fsusd
... 4) The planets and moons in our solar system are visible because they ______. a) emit their own light b) undergo nuclear fusion c) absorb light from the sun d) reflect light from the sun ...
... 4) The planets and moons in our solar system are visible because they ______. a) emit their own light b) undergo nuclear fusion c) absorb light from the sun d) reflect light from the sun ...
Lifecycle of Stars
... 1) Once your teacher has approved each word timeline and you have recorded them on the back of this page, you will create a personal poster that visually displays the four life cycles. You will work in table teams to complete this process, but you will each create your own mini-poster. 2) Use your n ...
... 1) Once your teacher has approved each word timeline and you have recorded them on the back of this page, you will create a personal poster that visually displays the four life cycles. You will work in table teams to complete this process, but you will each create your own mini-poster. 2) Use your n ...
Universal Forces - St. Paul School
... • Without this force, protons and neutrons would fly apart. • These forces are very strong. • Acts only over extremely short distances. • If the forces are broken, huge amounts of energy are released, which can be used to produce electricity or a nuclear explosion. ...
... • Without this force, protons and neutrons would fly apart. • These forces are very strong. • Acts only over extremely short distances. • If the forces are broken, huge amounts of energy are released, which can be used to produce electricity or a nuclear explosion. ...
1 Kepler`s Third Law
... most energy. Low frequency (long wavelength) photons are the least energetic. The constant, h, is called Plank’s constant and once again its purpose is to scale the equation so that it agrees with our system of measurement. Example: Q: Which type of photon carries the most energy, ultraviolet photon ...
... most energy. Low frequency (long wavelength) photons are the least energetic. The constant, h, is called Plank’s constant and once again its purpose is to scale the equation so that it agrees with our system of measurement. Example: Q: Which type of photon carries the most energy, ultraviolet photon ...
Stellar Evolution
... of radio energy that acts like a spinning search-light. That appear to us as a Pulsar, a source of a rhythmic radio signal first thought to be intelligent aliens! ...
... of radio energy that acts like a spinning search-light. That appear to us as a Pulsar, a source of a rhythmic radio signal first thought to be intelligent aliens! ...
lecture 6, Electromagentic waves
... Maxwell’s theory is a mathematical formulation that relates electric and magnetic phenomena. His theory, among other things, predicted that electric and magnetic fields can travel through space as waves. The uniting of electricity and magnetism resulted in the Theory of Electromagnetism. Maxwell pr ...
... Maxwell’s theory is a mathematical formulation that relates electric and magnetic phenomena. His theory, among other things, predicted that electric and magnetic fields can travel through space as waves. The uniting of electricity and magnetism resulted in the Theory of Electromagnetism. Maxwell pr ...
N-Body Simulations of Star Clusters with IMBH
... Disruption of Stars by the IMBH Most stars disrupted by the IMBH are main-sequence stars and giants. Disruption of neutron stars are rare. During the simulations, no black holes merged with the IMBH. Stars disrupted by the IMBH move on very elongated orbits, so the fate of the ...
... Disruption of Stars by the IMBH Most stars disrupted by the IMBH are main-sequence stars and giants. Disruption of neutron stars are rare. During the simulations, no black holes merged with the IMBH. Stars disrupted by the IMBH move on very elongated orbits, so the fate of the ...
Assignment 2
... Problem 6. A spacecraft approaches a ring of mass. The spacecraft is very small and has a mass of m. The ring has a radius R, ad a relatively large mass of magnitude M , M >> m. The spacecraft is located along the axis of the ring a distance of 4R from its center, and is initially at rest. See the f ...
... Problem 6. A spacecraft approaches a ring of mass. The spacecraft is very small and has a mass of m. The ring has a radius R, ad a relatively large mass of magnitude M , M >> m. The spacecraft is located along the axis of the ring a distance of 4R from its center, and is initially at rest. See the f ...
Chapter 14
... …have a gravitational attraction that is so strong that light cannot escape from it. ...
... …have a gravitational attraction that is so strong that light cannot escape from it. ...
Lecture 11
... must form at 2-3 solar masses • You can detect Black Holes by looking for XRay sources • Strong evidence for supermassive black holes at the center of galaxies ...
... must form at 2-3 solar masses • You can detect Black Holes by looking for XRay sources • Strong evidence for supermassive black holes at the center of galaxies ...
Electromagnetic Waves Notes
... • What do you think exists beyond the red part of the spectrum? • The highest temperature is beyond the red light • There must be some kind of radiation we can’t see! • This unknown radiation is called Infrared Radiation • Before Herschel’s experiment scientists did not know about other types of rad ...
... • What do you think exists beyond the red part of the spectrum? • The highest temperature is beyond the red light • There must be some kind of radiation we can’t see! • This unknown radiation is called Infrared Radiation • Before Herschel’s experiment scientists did not know about other types of rad ...
P1 Foundation Glossary
... How much of the energy put in is used to carry out a function (e.g. the amount of the energy put into a light bulb that produces light, after some energy is lost as heat) The energy stored by things that have been stretched or squashed and can spring back A flow of charged particles that can be used ...
... How much of the energy put in is used to carry out a function (e.g. the amount of the energy put into a light bulb that produces light, after some energy is lost as heat) The energy stored by things that have been stretched or squashed and can spring back A flow of charged particles that can be used ...
v 2 /r - Edublogs
... the station as just the right speed, they will experience a “simulated gravity” when the Normal force of the floor pushing up on their feet becomes a centripetal force. The closer their centripetal acceleration, v2/r is to g, the acceleration due to Earth’s gravity, the more they feel the sensation ...
... the station as just the right speed, they will experience a “simulated gravity” when the Normal force of the floor pushing up on their feet becomes a centripetal force. The closer their centripetal acceleration, v2/r is to g, the acceleration due to Earth’s gravity, the more they feel the sensation ...
Revision Homework Booklet File
... and the frequency ________________. For example a fire engine siren will sound different depending on whether it is moving towards you (pitch is higher) or away from you (pitch is lower). Red-Shift Light observed from distant galaxies has been ‘shifted’ towards the red end of the spectrum. This is k ...
... and the frequency ________________. For example a fire engine siren will sound different depending on whether it is moving towards you (pitch is higher) or away from you (pitch is lower). Red-Shift Light observed from distant galaxies has been ‘shifted’ towards the red end of the spectrum. This is k ...
Since we will be studying electromagnetic waves, let`s review some
... AM waves are much longer than FM waves (as seen in our example), and waves tend to bend easier around objects (i.e. diffract) when the object’s size is on the order of or less than the size of the wavelength. It is found that AM waves bend easier around buildings and hills than FM waves, which are e ...
... AM waves are much longer than FM waves (as seen in our example), and waves tend to bend easier around objects (i.e. diffract) when the object’s size is on the order of or less than the size of the wavelength. It is found that AM waves bend easier around buildings and hills than FM waves, which are e ...
