File - Philosophy, Theology, History, Science, Big
... 1) If we did observe a universe to human scale, then that would be strong disconfirmation of the fine-tuning argument, and thus further evidence for the argument from scale. Moreover, we wouldn't be embodied moral agents in a universe to human scale, and thus more evidence for the argument for natur ...
... 1) If we did observe a universe to human scale, then that would be strong disconfirmation of the fine-tuning argument, and thus further evidence for the argument from scale. Moreover, we wouldn't be embodied moral agents in a universe to human scale, and thus more evidence for the argument for natur ...
Towards a lattice based neutral magnesium optical frequency
... Magnesium is an interesting candidate for a future high performance neutral atom optical frequency standard. It offers low sensitivity to frequency shifts of the 1 S0 to 3 P0 clock transition by room temperature blackbody radiation and several isotopes of suitable abundance (two bosonic, one fermion ...
... Magnesium is an interesting candidate for a future high performance neutral atom optical frequency standard. It offers low sensitivity to frequency shifts of the 1 S0 to 3 P0 clock transition by room temperature blackbody radiation and several isotopes of suitable abundance (two bosonic, one fermion ...
Guidestar: February, 2015 - Houston Astronomical Society
... needs let me know so I can put you on a “Waiting” list for new sites. We are coming into peak observing time of the year with the first cool front now is the time to take advantage of HAS’s most valued asset, the Dark Site. Please remember to fill out your observing log and put it in the center box ...
... needs let me know so I can put you on a “Waiting” list for new sites. We are coming into peak observing time of the year with the first cool front now is the time to take advantage of HAS’s most valued asset, the Dark Site. Please remember to fill out your observing log and put it in the center box ...
Supernovas 10/19
... • end up with core of Iron nuclei plus 26 unbound “free” electrons for every Fe • electrons are “degenerate” as so close together. This causes them to provide most of the pressure resisting gravity • enormous stress. If electrons “give way” leaves “hole” in center of star PHYS 162 ...
... • end up with core of Iron nuclei plus 26 unbound “free” electrons for every Fe • electrons are “degenerate” as so close together. This causes them to provide most of the pressure resisting gravity • enormous stress. If electrons “give way” leaves “hole” in center of star PHYS 162 ...
Stellar Explosions
... die. In dying, they send heavy elements into the interstellar medium. These elements then become parts of new stars. And so it goes. ...
... die. In dying, they send heavy elements into the interstellar medium. These elements then become parts of new stars. And so it goes. ...
Sample pages 1 PDF
... reported cases of meteorite falls, but there was little interest in seeking out the origin of these events. In Europe, the more religious considered meteorites to be acts of the devil. Those who were brave or imaginative enough to suggest otherwise were condemned as heretics. There was a strong beli ...
... reported cases of meteorite falls, but there was little interest in seeking out the origin of these events. In Europe, the more religious considered meteorites to be acts of the devil. Those who were brave or imaginative enough to suggest otherwise were condemned as heretics. There was a strong beli ...
Photons and Matter Waves
... certain metal with a maximum kinetic energy of 2 eV. If photons of twice the wavelength are incident on this metal which one of the following statements is true? 1) No electrons will be emitted. 2) Electrons will be emitted with a maximum kinetic energy of 1 eV. 3) Electrons will be emitted with a m ...
... certain metal with a maximum kinetic energy of 2 eV. If photons of twice the wavelength are incident on this metal which one of the following statements is true? 1) No electrons will be emitted. 2) Electrons will be emitted with a maximum kinetic energy of 1 eV. 3) Electrons will be emitted with a m ...
6,
... system with two elements and with three elements behaves like an achromat and an apochromat system respectively. Stone and George [3] have presented a theoretical and experimental treatment for the diffraction efficiencies of transmission HOEs and three- and two-element cascades when subject to broa ...
... system with two elements and with three elements behaves like an achromat and an apochromat system respectively. Stone and George [3] have presented a theoretical and experimental treatment for the diffraction efficiencies of transmission HOEs and three- and two-element cascades when subject to broa ...
Luminescence properties of a Fibonacci photonic
... localization, coherent back scattering, optical Hall Effect, among others. At the same time, very little is known about propagation of light in media with deterministic and yet nonperiodic spatial profile of refractive index [2]. Such structures, called quasicrystals, may exist in one-, two-, or thr ...
... localization, coherent back scattering, optical Hall Effect, among others. At the same time, very little is known about propagation of light in media with deterministic and yet nonperiodic spatial profile of refractive index [2]. Such structures, called quasicrystals, may exist in one-, two-, or thr ...
PLANETS AND INFRARED EXCESSES: PRELIMINARY RESULTS
... ring was chosen. Because the accuracy of the 70 m data is limited by background noise, rather than instrumental effects, such a large aperture contains an undesirable amount of sky fluctuations. In order to maximize S/ N, a smaller aperture is more appropriate at 70 m—just 1.5 pixels in radius. Wi ...
... ring was chosen. Because the accuracy of the 70 m data is limited by background noise, rather than instrumental effects, such a large aperture contains an undesirable amount of sky fluctuations. In order to maximize S/ N, a smaller aperture is more appropriate at 70 m—just 1.5 pixels in radius. Wi ...
Experiment Note - Spectrum Techniques
... We are grateful to Spectrum Techniques and to George Dowell for lending us equipment to conduct the experiments described in this tutorial. Further Reading and Experiments For a more detailed discussion on the demonstration of the Compton Effect, as well as for additional experiments in Modern and Q ...
... We are grateful to Spectrum Techniques and to George Dowell for lending us equipment to conduct the experiments described in this tutorial. Further Reading and Experiments For a more detailed discussion on the demonstration of the Compton Effect, as well as for additional experiments in Modern and Q ...
Nothing Travels Faster Than Light
... effect. If it were possible to send particles and objects faster than light we could expect strange things to happen For example, if we were to take a rifle a fire a bullet at 5 times the speed of light, by Einstein’s theory, the bullet would be out of the gun and flying towards it target before the ...
... effect. If it were possible to send particles and objects faster than light we could expect strange things to happen For example, if we were to take a rifle a fire a bullet at 5 times the speed of light, by Einstein’s theory, the bullet would be out of the gun and flying towards it target before the ...
Morphology and Environment
... observe depends on viewing angle – the same galaxy might be classified as E0 when viewed pole-on, and E7 when viewed edge-on! In contrast, the grading of S galaxies into subtypes Sa, Sb, and Sc (and the parallel grading of SB galaxies) is based on (i) relative bulge size, (ii) pitch angle of spiral ...
... observe depends on viewing angle – the same galaxy might be classified as E0 when viewed pole-on, and E7 when viewed edge-on! In contrast, the grading of S galaxies into subtypes Sa, Sb, and Sc (and the parallel grading of SB galaxies) is based on (i) relative bulge size, (ii) pitch angle of spiral ...
The Nature of Electromagnetic Radiation
... of two to the fourth power, or 16 (two multiplied by itself four times: 2x2x2x2). A blackbody whose temperature is 4,000 K emits 16 times as much energy as one at 2,000 K. The energy emitted by a blackbody always peaks at some wavelength and decreases toward longer and shorter wavelengths. Figure 5 ...
... of two to the fourth power, or 16 (two multiplied by itself four times: 2x2x2x2). A blackbody whose temperature is 4,000 K emits 16 times as much energy as one at 2,000 K. The energy emitted by a blackbody always peaks at some wavelength and decreases toward longer and shorter wavelengths. Figure 5 ...
Neutron Stars & Black Holes
... The mass of a neutron star cannot exceed about 3 solar masses. If a core remnant is more massive than that, nothing will stop its collapse, and it will become smaller and smaller and denser and denser. Eventually the gravitational force is so intense that even light cannot escape. The remnant has be ...
... The mass of a neutron star cannot exceed about 3 solar masses. If a core remnant is more massive than that, nothing will stop its collapse, and it will become smaller and smaller and denser and denser. Eventually the gravitational force is so intense that even light cannot escape. The remnant has be ...
CoRoT-2a magnetic activity: hints for possible star
... CoRoT-2a was observed from May 16 to October 5, 2007. We extracted from the data archive the N2 chromatic light curves (Baudin et al. 2006) having a sampling of 512 s during the first week and 32 s thereinafter. The white colour light curve shown in Fig. 1 is obtained by the combination of red, gree ...
... CoRoT-2a was observed from May 16 to October 5, 2007. We extracted from the data archive the N2 chromatic light curves (Baudin et al. 2006) having a sampling of 512 s during the first week and 32 s thereinafter. The white colour light curve shown in Fig. 1 is obtained by the combination of red, gree ...
View PDF - OMICS Group
... of light waves that tends to change with changes in angle of view. The word ‘iris’ comes from the Greek goddess of rainbow. The iridescence of butterfly wings, soap bubbles can be explained using optical interference principles. Vibrating blue color of wings of butterfly can be seen from low flying ...
... of light waves that tends to change with changes in angle of view. The word ‘iris’ comes from the Greek goddess of rainbow. The iridescence of butterfly wings, soap bubbles can be explained using optical interference principles. Vibrating blue color of wings of butterfly can be seen from low flying ...
Lecture 6
... Excited states are unstable, and electrons will decay back into their ground states. To de-excite, an electron must rid itself of exactly the amount of excess energy: – emit a photon of the exact energy. – give up the energy to a colliding atom or electron (no photons are emitted). ...
... Excited states are unstable, and electrons will decay back into their ground states. To de-excite, an electron must rid itself of exactly the amount of excess energy: – emit a photon of the exact energy. – give up the energy to a colliding atom or electron (no photons are emitted). ...
Convex and Concave Mirrors Prac
... AIM: To observe and record how curved mirrors reflect light beams. This practical activity involves ray tracing. If, for example, a light ray appears like Figure 1, you will need to concave mirror 1. Trace the curve of the mirror. Figure 2 Figure 3 2. Place two small dots on the incident ray and two ...
... AIM: To observe and record how curved mirrors reflect light beams. This practical activity involves ray tracing. If, for example, a light ray appears like Figure 1, you will need to concave mirror 1. Trace the curve of the mirror. Figure 2 Figure 3 2. Place two small dots on the incident ray and two ...
May 2017 - Newbury Astronomical Society
... a quarter of its ~30 year long orbit around the Sun and was at the lower position shown in the diagram above. Therefore in 2009 we were looking at Saturn side on. As the rings are very thin they disappeared almost completely for a few months. Over the next 7½ years the rings gradually appeared to op ...
... a quarter of its ~30 year long orbit around the Sun and was at the lower position shown in the diagram above. Therefore in 2009 we were looking at Saturn side on. As the rings are very thin they disappeared almost completely for a few months. Over the next 7½ years the rings gradually appeared to op ...
IAC_L4_halo
... The stellar halo is a minor component of the Milky Way. Its mass is about 4.108 M and its stars are mostly metal poor, with [Fe/H] between about -1.0 and -3 (some down to at least -5). It is interesting because its stars are probably all old. The halo is spheroidal with axial ratio 0.5 to 0. Its r ...
... The stellar halo is a minor component of the Milky Way. Its mass is about 4.108 M and its stars are mostly metal poor, with [Fe/H] between about -1.0 and -3 (some down to at least -5). It is interesting because its stars are probably all old. The halo is spheroidal with axial ratio 0.5 to 0. Its r ...
Astronomical spectroscopy
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.