Pre-Main Sequence Evolution
... has several thousand of these objects, each with masses of 104 M8< M < 107 M8, and sizes between 10 and 100 pc. Although the average density of these clouds is ~ 100 cm-3, these objects are very clumpy, with large numbers of colder, dense cores. Orion is the one of the nearest (but not nearly the ...
... has several thousand of these objects, each with masses of 104 M8< M < 107 M8, and sizes between 10 and 100 pc. Although the average density of these clouds is ~ 100 cm-3, these objects are very clumpy, with large numbers of colder, dense cores. Orion is the one of the nearest (but not nearly the ...
Microscopic black holes - Lund University Publications
... Special relativity is the theory of systems motion that has a uniform motion with respect to each other. General relativity generalizes special relativity and Newton's law of universal gravitation, describing gravity as a geometric property in space-time. The curvature of spacetime, for example, rel ...
... Special relativity is the theory of systems motion that has a uniform motion with respect to each other. General relativity generalizes special relativity and Newton's law of universal gravitation, describing gravity as a geometric property in space-time. The curvature of spacetime, for example, rel ...
Classical Waves – TRIUMF Saturday Morning Lecture – October
... Galileo did his own experiments to support their theory and better understand waves! ...
... Galileo did his own experiments to support their theory and better understand waves! ...
Slide 1
... looking at data from a radio telescope and found, much to her surprise, that one radio source was emitting a pulse of radiation every 1.33 seconds. For a while, astronomers thought this might be a signal from intelligent extraterrestrials: “little green men.” Soon, however, many more of these source ...
... looking at data from a radio telescope and found, much to her surprise, that one radio source was emitting a pulse of radiation every 1.33 seconds. For a while, astronomers thought this might be a signal from intelligent extraterrestrials: “little green men.” Soon, however, many more of these source ...
Lecture 16: Iron Core Collapse, Neutron Stars
... about 55 kpc from here – first signal from the supernova though the optical light was detected first (about 6 hr later) and the neutrino signal only discovered by processing data about a week later ...
... about 55 kpc from here – first signal from the supernova though the optical light was detected first (about 6 hr later) and the neutrino signal only discovered by processing data about a week later ...
B - Department of Physics and Astronomy
... B. sudden flares caused by matter falling onto the surface of the neutron star C. secondary pulses of radiation occasionally interspersed with the primary pulses D. *sudden increases in rotation rate 17. In some binary star systems, such as Algol, the less massive star is a red giant and the more ma ...
... B. sudden flares caused by matter falling onto the surface of the neutron star C. secondary pulses of radiation occasionally interspersed with the primary pulses D. *sudden increases in rotation rate 17. In some binary star systems, such as Algol, the less massive star is a red giant and the more ma ...
Electromagnetic Waves
... Momentum is the quantity of translational invariance. As such, even fields as well as other things can have momentum, not just particles.. Momentum of mass less objects Massless objects such as photons also carry momentum. The formula is: ...
... Momentum is the quantity of translational invariance. As such, even fields as well as other things can have momentum, not just particles.. Momentum of mass less objects Massless objects such as photons also carry momentum. The formula is: ...
Second and Third Black Hole Lecture
... and Keplerian motions dominate the line shapes (v ~ r-1/2 ) Such data exist for ~40 sources At present MBH can be estimated to within a factor of a few: M ∝ FWHM2 L0.5 ...
... and Keplerian motions dominate the line shapes (v ~ r-1/2 ) Such data exist for ~40 sources At present MBH can be estimated to within a factor of a few: M ∝ FWHM2 L0.5 ...
Inflation Basics
... If E<<1015 GeV (e.g., if inflation from PQSB), then polarization far too small to ever be detected. But, if E~1015-16 GeV (i.e., if inflation has something to do with GUTs), then polarization signal is conceivably detectable by Planck ...
... If E<<1015 GeV (e.g., if inflation from PQSB), then polarization far too small to ever be detected. But, if E~1015-16 GeV (i.e., if inflation has something to do with GUTs), then polarization signal is conceivably detectable by Planck ...
Gamma Ray Bursts
... collisions of two very dense objects, such as neutron stars in a binary. Also, some think, they could be from the same process as the long GRB but were not directly along the axis of the emission, i.e. not seeing it face on. ...
... collisions of two very dense objects, such as neutron stars in a binary. Also, some think, they could be from the same process as the long GRB but were not directly along the axis of the emission, i.e. not seeing it face on. ...
Today in Astronomy 102: general relativity and the prediction of the
... All reproducible experiments to date have confirmed the predictions of Einstein’s relativity theories. Few scientific theories are so well-supported by experiment, in fact. We keep using the theory to predict new effects. Those effects involving conditions within those for which the theory has ...
... All reproducible experiments to date have confirmed the predictions of Einstein’s relativity theories. Few scientific theories are so well-supported by experiment, in fact. We keep using the theory to predict new effects. Those effects involving conditions within those for which the theory has ...
Quasars and Active Galaxies
... Stars near centers of all large galaxies (including our own) are orbiting VERY fast. Central masses vary from about 1 million to 1 billion solar masses. ...
... Stars near centers of all large galaxies (including our own) are orbiting VERY fast. Central masses vary from about 1 million to 1 billion solar masses. ...
File
... Yellow circles represent black holes. Dark matter and stars are not shown in this plot. ...
... Yellow circles represent black holes. Dark matter and stars are not shown in this plot. ...
Central Massive Objects: The Stellar Nuclei – Black Hole
... the low-mass end of the black hole–host galaxy scaling relations is still not wellsampled. Jens Thomas reported on the ongoing SINFONI programme to fill in the underpopulated regions in the M–σ relation using stellar kinematic modelling. Karl Gebhardt pointed out that get ting any black hole mass t ...
... the low-mass end of the black hole–host galaxy scaling relations is still not wellsampled. Jens Thomas reported on the ongoing SINFONI programme to fill in the underpopulated regions in the M–σ relation using stellar kinematic modelling. Karl Gebhardt pointed out that get ting any black hole mass t ...