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Introduction to Cosmology - Experimental Elementary Particle
... Going? Paul Gauguin, 1897. [Museum of Fine Arts, Boston] infinite in spatial extent? Did it have a beginning some time in the past? Will it come to an end some time in the future?” Cosmology deals with distances that are very large, objects that are very big, and timescales that are very long. Cosmo ...
... Going? Paul Gauguin, 1897. [Museum of Fine Arts, Boston] infinite in spatial extent? Did it have a beginning some time in the past? Will it come to an end some time in the future?” Cosmology deals with distances that are very large, objects that are very big, and timescales that are very long. Cosmo ...
The effects of fly-bys on planetary systems
... More common, however, is that fly-bys only perturb the orbits of planets, sometimes leaving the system in an unstable state. Over time-scales of a few million to several hundred million years after the fly-by, this perturbation can trigger planet-planet scatterings, leading to the ejection of one or ...
... More common, however, is that fly-bys only perturb the orbits of planets, sometimes leaving the system in an unstable state. Over time-scales of a few million to several hundred million years after the fly-by, this perturbation can trigger planet-planet scatterings, leading to the ejection of one or ...
Lecture 12: Accretion
... If one star is filling its Roche lobe, then matter can stream through the L1 point and be captured by the companion: Roche-lobe overflow Even if the stars are not close enough for Roche-lobe overflow to occur, mass from a strong stellar wind can be captured by the other star: wind-driven accretion ...
... If one star is filling its Roche lobe, then matter can stream through the L1 point and be captured by the companion: Roche-lobe overflow Even if the stars are not close enough for Roche-lobe overflow to occur, mass from a strong stellar wind can be captured by the other star: wind-driven accretion ...
Waveguide Dispersion
... Lattice absorption through a crystal. The field in the wave oscillates the ions which consequently generate "mechanical" waves in the crystal; energy is thereby transferred from the wave to lattice vibrations. © 1999 S.O. Kasap, Optoelectronics (Prentice Hall) ...
... Lattice absorption through a crystal. The field in the wave oscillates the ions which consequently generate "mechanical" waves in the crystal; energy is thereby transferred from the wave to lattice vibrations. © 1999 S.O. Kasap, Optoelectronics (Prentice Hall) ...
Honors Physics Final Review Spring 2015
... After the interaction from above is complete, what is the displacement of the two waves? ans: 10 cm and 8 cm A first order line appears 13.2 mm from the central bright line from two slits 1.9 x 10-5 m apart. What is the λ with a screen 0.6 m ans 418 nm ...
... After the interaction from above is complete, what is the displacement of the two waves? ans: 10 cm and 8 cm A first order line appears 13.2 mm from the central bright line from two slits 1.9 x 10-5 m apart. What is the λ with a screen 0.6 m ans 418 nm ...
Abstract Title of Dissertation: BLACK HOLE DYNAMICS AND GRAVITATIONAL RADIATION IN GALACTIC NUCLEI
... that host supermassive black holes. Mergers between stellar-mass black holes will be key sources of gravitational radiation for ground-based detectors. However, the rates of these events are highly uncertain, because we can not observe these binaries electromagnetically. In this work, we show that t ...
... that host supermassive black holes. Mergers between stellar-mass black holes will be key sources of gravitational radiation for ground-based detectors. However, the rates of these events are highly uncertain, because we can not observe these binaries electromagnetically. In this work, we show that t ...
High-Power Diode Lasers under External Optical Feedback
... proper choice of facet reflectivities and device geometries such as waveguide architecture, stripe width or cavity length). External optical feedback can be intentionally implemented, e.g., by external gratings and mirrors widely used for stabilization and controlled tuning of the emission wavelengt ...
... proper choice of facet reflectivities and device geometries such as waveguide architecture, stripe width or cavity length). External optical feedback can be intentionally implemented, e.g., by external gratings and mirrors widely used for stabilization and controlled tuning of the emission wavelengt ...
Optical pumping studies of vibrational energy transfer
... achieved in the CO population distribution. While this distribution is highly non-Boltzmann, an effective vibrational temperature of T v ⫽3500⫾250 K can still be defined by considering the first two level populations, using Eq. 共7兲. The apparent relative populations range from f 0 ⫽0.4 for the groun ...
... achieved in the CO population distribution. While this distribution is highly non-Boltzmann, an effective vibrational temperature of T v ⫽3500⫾250 K can still be defined by considering the first two level populations, using Eq. 共7兲. The apparent relative populations range from f 0 ⫽0.4 for the groun ...
Vers un plan détaillé (début 08/11/01)
... is always negative, - i.e. attraction- and is governed by a factor (g> : the
ground state wavefunction). Remarkably, this surface interaction potential is not isotropic;
however, the anisotropy vanishes in the common situation of an atom featuring a spherical
symmetry, as most of atom ...
... is always negative, - i.e. attraction- and is governed by a factor
Isaac NEWTON: Philosophiae Naturalis Principia Mathematica. 3 Ed
... when it began to be seen, always maintained its apparent motion, & thus went beyond perigee ; truly the splendour of the head likewise was increasing from day to day, until it ceased to be evident on account of being hidden by the rays of the sun. The comet of the year 1683 (from the observations of ...
... when it began to be seen, always maintained its apparent motion, & thus went beyond perigee ; truly the splendour of the head likewise was increasing from day to day, until it ceased to be evident on account of being hidden by the rays of the sun. The comet of the year 1683 (from the observations of ...
Population effects on the red giant clump absolute magnitude, and
... however, depends on the possible presence of systematic magnitude differences DM RC I between the local clump revealed by the Hipparcos colour±magnitude diagram (CMD), and the clump stars observed in distant galaxies. In this paper, we re-address the problem of these systematic `population' effec ...
... however, depends on the possible presence of systematic magnitude differences DM RC I between the local clump revealed by the Hipparcos colour±magnitude diagram (CMD), and the clump stars observed in distant galaxies. In this paper, we re-address the problem of these systematic `population' effec ...
Massive Disruptions in the Cool Core of MACS J1931.8-2634 Steven Ehlert
... Can AGN feedback supply enough energy to counteract the large radiative losses? ...
... Can AGN feedback supply enough energy to counteract the large radiative losses? ...
Physics 136-3: General Physics Lab Laboratory Manual
... methodologies that you learn about in your lectures are not taught because they were first envisioned by famous people, but because they have been observed always to describe the world. For these claims to withstand the test of time (and repeated testing in future scientific work), we must have some ...
... methodologies that you learn about in your lectures are not taught because they were first envisioned by famous people, but because they have been observed always to describe the world. For these claims to withstand the test of time (and repeated testing in future scientific work), we must have some ...
Survival of icy grains in debris discs
... For a constant grain temperature, the yield increases rapidly with irradiation dose and reaches a plateau value for doses higher than ∼3 × 1018 photons/cm2 (Westley et al. 1995). This plateau value is on the order of few × 10−3 at T = 35−100 K. The obtained temperature dependence is relatively weak, ...
... For a constant grain temperature, the yield increases rapidly with irradiation dose and reaches a plateau value for doses higher than ∼3 × 1018 photons/cm2 (Westley et al. 1995). This plateau value is on the order of few × 10−3 at T = 35−100 K. The obtained temperature dependence is relatively weak, ...
MPE Tutorial Multiphoton Excitation Microscopy 5100 Patrick Henry Drive
... When working with biological samples, serious problems can occur with normal confocal fluorescence microscopy. One problem is photobleaching of the fluorescent label (fluorophore). In many cases, researchers are interested in observing living specimens, often at several stages during development. Be ...
... When working with biological samples, serious problems can occur with normal confocal fluorescence microscopy. One problem is photobleaching of the fluorescent label (fluorophore). In many cases, researchers are interested in observing living specimens, often at several stages during development. Be ...
Preparation of highly visible-light active N
... photocatalytic mechanism has been proposed for N-doped anatase TiO2. ...
... photocatalytic mechanism has been proposed for N-doped anatase TiO2. ...
Talk
... • Pulsar timing: the bread and butter of pulsar observing • What I like about pulsars: Get to work on a lot of different areas of physics and ...
... • Pulsar timing: the bread and butter of pulsar observing • What I like about pulsars: Get to work on a lot of different areas of physics and ...
Full text - FNWI (Science) Education Service Centre
... We know that the planets in the outer solar system can give comets a boost when they enter the Hill radius of the gas giants. If they are given a high enough dose of extra energy, the comets can be ejected into interstellar space. In our solar system, the planets Jupiter and Saturn are found to be m ...
... We know that the planets in the outer solar system can give comets a boost when they enter the Hill radius of the gas giants. If they are given a high enough dose of extra energy, the comets can be ejected into interstellar space. In our solar system, the planets Jupiter and Saturn are found to be m ...
Bragg waveguides with low-index liquid cores
... This effect was also demonstrated in the regime of low refractive index contrast by Qu and Skorobogatiy [27] where an application to bulk refractive index sensing was demonstrated: a sensitivity of ≈ 1400 nm/RIU was achieved for aqueous solutions of salt (indices from ≈ 1.33 to 1.38). As discussed ...
... This effect was also demonstrated in the regime of low refractive index contrast by Qu and Skorobogatiy [27] where an application to bulk refractive index sensing was demonstrated: a sensitivity of ≈ 1400 nm/RIU was achieved for aqueous solutions of salt (indices from ≈ 1.33 to 1.38). As discussed ...
Slide 1
... Radio emission from SGR 1806-20 afterglow The ejected particles moving with very high speed hit the surrounding matter and generate synchrotron emission due to the relativistic electrons moving in a magnetic field. ...
... Radio emission from SGR 1806-20 afterglow The ejected particles moving with very high speed hit the surrounding matter and generate synchrotron emission due to the relativistic electrons moving in a magnetic field. ...
Astronomical spectroscopy
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Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other hot celestial objects. Spectroscopy can be used to derive many properties of distant stars and galaxies, such as their chemical composition, temperature, density, mass, distance, luminosity, and relative motion using Doppler shift measurements.