Optics - UFDC Image Array 2
... Figure f shows another example of how we can’t avoid the conclusion that light bounces off of things other than mirrors. The lamp is one I have in my house. It has a bright bulb, housed in a completely opaque bowl-shaped metal shade. The only way light can get out of the lamp is by going up out of t ...
... Figure f shows another example of how we can’t avoid the conclusion that light bounces off of things other than mirrors. The lamp is one I have in my house. It has a bright bulb, housed in a completely opaque bowl-shaped metal shade. The only way light can get out of the lamp is by going up out of t ...
bending light - The Futures Channel
... Use the “straw in a glass of water” demonstration to show students how the image of an object seen in water can be changed or distorted. Ask students if they can explain what they see, and guide the resulting discussion to understanding that the light from the straw is being bent as it travels from ...
... Use the “straw in a glass of water” demonstration to show students how the image of an object seen in water can be changed or distorted. Ask students if they can explain what they see, and guide the resulting discussion to understanding that the light from the straw is being bent as it travels from ...
The “zoo” of Deconvolution Algorithms
... where | H`(f) |2 = H`(f) H`(f)* and H`(f) is the PSF estimate obtained from the measured wavefront, i.e. the autocorrelation of the complex wavefront at the pupil. F`(f) = F(f) when H`(f) = H(f) Noise sensitive transfer function. Requires good SNR modeling. Primot et al. “Deconvolution from wavef ...
... where | H`(f) |2 = H`(f) H`(f)* and H`(f) is the PSF estimate obtained from the measured wavefront, i.e. the autocorrelation of the complex wavefront at the pupil. F`(f) = F(f) when H`(f) = H(f) Noise sensitive transfer function. Requires good SNR modeling. Primot et al. “Deconvolution from wavef ...
The “zoo” of Deconvolution Algorithms
... so that the LR kernel approaches unity as the iterations progress Richardson, W.H., “Bayesian-Based Iterative Method of Image Restoration”, J. Opt. Soc. Am., 62, 55, (1972). Lucy, L.B., “An iterative technique for the rectification of observed distributions”, Astron. J., 79, 745, (1974). ...
... so that the LR kernel approaches unity as the iterations progress Richardson, W.H., “Bayesian-Based Iterative Method of Image Restoration”, J. Opt. Soc. Am., 62, 55, (1972). Lucy, L.B., “An iterative technique for the rectification of observed distributions”, Astron. J., 79, 745, (1974). ...
Gravity Control by means of Electromagnetic Field through Gas at
... electromagnetic field is decreased or when the intensity of the electromagnetic field is increased. The electrical conductivity and the density of the gas or plasma are also highly relevant in this process. With a GCC it is possible to convert the gravitational energy into rotational mechanical ener ...
... electromagnetic field is decreased or when the intensity of the electromagnetic field is increased. The electrical conductivity and the density of the gas or plasma are also highly relevant in this process. With a GCC it is possible to convert the gravitational energy into rotational mechanical ener ...
LIGO and the MIT Kavli Institute no illustrations
... at >99% confidence. If GRB 070201 were caused by a binary neutron star merger, we find that D < 3.5 Mpc is excluded, assuming random inclination, at 90% confidence. The result also implies that an unmodeled gravitational wave burst from GRB 070201 most probably emitted less than 4.4 x 10-4 Msun c2 ( ...
... at >99% confidence. If GRB 070201 were caused by a binary neutron star merger, we find that D < 3.5 Mpc is excluded, assuming random inclination, at 90% confidence. The result also implies that an unmodeled gravitational wave burst from GRB 070201 most probably emitted less than 4.4 x 10-4 Msun c2 ( ...
Ch 22 ppt: The nature of Light
... matter that causes light to change direction is scattering. Light scatters in all directions after colliding with particles of matter. • Light can be scattered out of a beam by air particles. This scattered light allows you to see things outside of the beam. But, the beam becomes dimmer because ligh ...
... matter that causes light to change direction is scattering. Light scatters in all directions after colliding with particles of matter. • Light can be scattered out of a beam by air particles. This scattered light allows you to see things outside of the beam. But, the beam becomes dimmer because ligh ...
Chapter 22 - Cobb Learning
... matter that causes light to change direction is scattering. Light scatters in all directions after colliding with particles of matter. • Light can be scattered out of a beam by air particles. This scattered light allows you to see things outside of the beam. But, the beam becomes dimmer because ligh ...
... matter that causes light to change direction is scattering. Light scatters in all directions after colliding with particles of matter. • Light can be scattered out of a beam by air particles. This scattered light allows you to see things outside of the beam. But, the beam becomes dimmer because ligh ...
3. Measuring Distances and Magnitudes
... to the Sun is then extracted. What remains is the smaller annual parallactic motion; it is recognized because it cycles annually. Because a seeing resolution of 0.25” is considered exceptional (more typical it is 1”), it may seem strange that a stellar position can be determined to ±0.01” in one mea ...
... to the Sun is then extracted. What remains is the smaller annual parallactic motion; it is recognized because it cycles annually. Because a seeing resolution of 0.25” is considered exceptional (more typical it is 1”), it may seem strange that a stellar position can be determined to ±0.01” in one mea ...
6th Grade The Theoretical Beginning of the Universe / Big Bang
... (Some astronomers give a rough estimate that there are 1022 stars, although this is always changing!) ...
... (Some astronomers give a rough estimate that there are 1022 stars, although this is always changing!) ...
On dynamical scattering of Kuiper Belt Objects in 2:3 resonance with
... either because of long-term gravitational perturbations with a time scale of billions of years (Duncan et al., 1995) or because of mutual gravitational scattering. Given the present observed orbital distribution of the KBOs which is characterized by a cluster of 2:3 resonant objects with semimajor a ...
... either because of long-term gravitational perturbations with a time scale of billions of years (Duncan et al., 1995) or because of mutual gravitational scattering. Given the present observed orbital distribution of the KBOs which is characterized by a cluster of 2:3 resonant objects with semimajor a ...
Recent star formation in local, morphologically disturbed
... galaxy collisions end in rapid merging – a fundamental feature of the standard model – and typically produce spheroidal remnants (e.g. Barnes & Hernquist 1992) in cases where the mass ratios of the progenitors are large (≥1:3). Semi-analytical models of galaxy formation, that incorporate these resul ...
... galaxy collisions end in rapid merging – a fundamental feature of the standard model – and typically produce spheroidal remnants (e.g. Barnes & Hernquist 1992) in cases where the mass ratios of the progenitors are large (≥1:3). Semi-analytical models of galaxy formation, that incorporate these resul ...
30.4 Gravitational collapse & early protostellar evolution I (HB)
... Further contraction until H-burning - After the central deuterium burning in low-mass stars and the deuterium shell-burning in intermediate- to high-mass stars has ceased, the protostars/pre-main sequence stars start to contract quasi-statically gaining energy from the gravitational contraction. - ...
... Further contraction until H-burning - After the central deuterium burning in low-mass stars and the deuterium shell-burning in intermediate- to high-mass stars has ceased, the protostars/pre-main sequence stars start to contract quasi-statically gaining energy from the gravitational contraction. - ...
