... Note: Dans cette le?on, comme dans la pr?c?dente, toutes les quantit?s en vecteurs seront soulign?es . ... Arr?tez une plan?te dans son vol, enlevez lui sa force centrifuge, et qu'arrivera il alors ? ... C' est ainsi ! ... Pour calculer les mouvements des oc?ans ou de l'atmosph?re, il est beaucoup plus facile de se r?f?rer ? ... C'est aussi que la terre n'est pas une sph?re parfaite : la force centrifuge fait bomber son ?quateur , qui est donc plus ?loign? du centre de la terre. ... En savoir plus :...

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• Forces d'inertie, r?f?rences dans le cadre des acc?l?rations
• Motion in a Circle
• Frames of Reference: The Centrifugal force

The other case of a moving frame of reference studied here is: . ... That is a force towards the center of rotation, of magnitude F centripetal = mV 2 / R where R is the radius of the circle of rotation and V is the velocity of motion around it. ... However, most people are aware of the outwards-pushing centrifugal force, the force which flings you away from the center of rotation in a car speeding around a corner. ... Next Stop: #24 Rotating Frames of Reference . ...

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• Motion in a Circle
• Rotating Frames of Reference in Space and on Earth
• Electricity as a Fluid

... Bad Astronomy . ... Every few months, one of a series of questions comes up on the USENET group sci.astro involving tides, or the rotation of the Moon, or the recession of the Moon from the Earth. ... Why the Moon's rotation period is the same as the length of time it takes to orbit the Earth (same as number 1, but phrased differently). ... But when this happens, the time it takes for the Earth to rotate once will be slowed to exactly the same time it takes for the Moon to go around the Earth once! ...

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Every body is held together by two forces, its self-gravitation and its internal strength due to molecular bonding. ... A few of these cases have been obviously attributable to the tidal forces of Jupiter (Comet Brooks 2 and Comet Shoemaker-Levy 9) or the Sun (the Kreutz comet family), while other splittings have to be attributed to less obvious causes. ... They always approach the Sun to within 3 million kilometers (1.9 million miles) or less, and some have actually hit the Sun. ...

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Iteration is based on Section 2.5 in the text, while the contact forces are based on Chapter 4. You will be introduced to this in labs, but feel free to install and play with it yourself: link is http://www.vpython.org/ .

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• Lecture 18: Fluid Contact Forces: Pressure and Buoyancy
• Survey cupboards forced open. This is what the glass plates of the ESO surveys

... In the experiment the following physical phenomena are proposed to be demonstrated in microgravity: . ... a series of the experiment sessions with Letauschaya Tarelka device); . ... Faza device; . ... check for the following onboard the ISS RS: a capability to demonstrate the action of physical laws of dynamics of reactive and gyroscopic forces on ellipsoid (Letauschaya Tarelka device) rotating in the unsupported medium in microgravity, with video record of its behavior in the station module; . ...

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• S.P. Korolev RSC Energia - International Space Station

otherwise stated, constants are denoted by the following symbols and may be taken to have the values below Elementary charge Speed of light in vacuum Planck constant Permeability of vacuum Permittivity of vacuum Unified atomic mass constant Rest mass of proton Rest mass of electron Boltzmann constant Avogadro constant Gravitational ... A pulse of light of frequency f is emitted from the space station towards the ship at exactly the time the ship passes the Earth in the Earth frame. ...

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• Corrections for NST IB Physics B `Classical Dynamics'
• Astrophysics Group Getting Here

... Frequency of wobble same as frequency of forcing mechanism (t) + i 2 (t) · Helmholtz Centre Potsdam ­ GFZ · Consistent estimates of AAM , OAM , HAM computed at GFZ · AAM computed from European Centre for Medium-Range Weather Forecasts · OAM computed from Ocean Model for Circulation and Tides (OMCT) · HAM computed from Land-Surface Discharge Model (LSDM) · Ocean and hydrology Sensitivity to Excitation Model GFZ ECMWF AAM OMCT OAM LSDM HAM 1962­2010 1971­2010 1981­2010 1991­2010 2001­2010! ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/sidorenkov.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/dehant.pdf

... Let us now turn to the other main topic of this contribution, namely an algorithm for restoring a full WF/PC frame (or undersampled multi-frames) with its SV-PSF. ... Sew the M restorations together. ... Here is an elegant way out: if one considers the patches as ``independent'' overlapping observations of the same field, each with its own space-invariant (SI) PSF, then one can simply use the Lucy-Hook ``co-addition'' algorithm to construct a single restored image from the multiple data patches . ...

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• Fine Guidance Sensor Instrument Handbook
• Directions from South
• STScI Preprint #1240

... CentralProcessor 0.11 documentation . ... It can be run with the following command, where ?config.in? is a file containing the configuration parameters described in the next section. ... Parset parameters understood by ccontsubtract are given in the following table (all parameters must have CContSubtract prefix, i.e. CContSubtract.dataset ). ... A number of other parameters allowing the user to narrow down the data selection are understood. ... Parameter . ... Data set file name to work with. ...

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• C Resources
• Fitting a tilted ring model to a warped galactic disk
• Conclusions Future Directions

... Milky Way . ... Map of the Milky Way (based on data from NASA's Spitzer Space Telescope) showing its two major stellar arms and central bar. ... ТљIn written science fiction, one often encounters another navigational convention, where towards the Galactic Centre is described as т??Corewardт??, away from the Centre towards the rim of the Milky Way is т??Rimwardт??, objects in the direction of the Galaxyт??s rotation are т??Spinwardт??, while objects in the opposite direction are т??antispinwardт?? ...

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• Discovery Primary Science

... O RAL H ISTORY: 13 November 2000 EDUCATIONAL BACKGROUND: B.S. in Civil Engineering , Clemson University, Clemson, SC, 1948 PRE-NASA EXPERIENCE: United States Army Air Force (1942-1945) · Fighter Pilot (P-51 Mustang aircraft, unit and location unknown) United States Air Force Reserve · Retired as Major (Date Unknown) National Advisory Committee for Aeronautics (NACA), Langley Aeronautical Laboratory, Hampton ... Johnson Space Center Oral History Project James C. McLane, Jr. ...

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• Astronaut Bio: John E. Blaha (05/2008)
• Astronaut Bio: Frank Borman
• Astronaut Bio: GREGORY H. JOHNSON (08/2013)

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Vista recense 84 millions d'†йtoiles du centre galactique . ... 06/04/2016 - Le journal de bord de Thomas Pesquet (21) . ... Etat du ciel . ... Espace annonceurs . ...

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• Plong†йe au centre de la Voie lact†йe | Ciel et Espace

... Under conditions of the Earth gravitation we are using the method of semi-natural simulation of linear accelerations in the centrifuges with a mobile cab for simulation of G-loads, originating in a space flight. ... The major factor of the orbital flight, affecting a cosmonaut, is a weightlessness state, which causes essential changes in cardiovascular and vestibular systems operation. ... Under the Earth conditions you can "execute" a short-term space flight according to the following cyclogram: . ...

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• ATLAS aerospace invites you to get training experience as cosmonaut and
• Company "Atlas Aerospace", is proud to represent Russian aerobatics teams
• Wilderness survival training using cosmonaut survival kit for forced emergency

... Radio Astronomy . ... ASRAS Board Members . ... To see the most up to date news and events happening with ASRAS log in with your user name and password and then click on the Activities page. ... Messier Marathon (Member Observing) CANCELLED Saturday, April 9, 2016 9:00 PM Location:Farash Center Ionia NY . ... ASRAS Members meeting - Friday May 6 at Farash Center - Ionia NY . ... ASRAS Board members meeting - monday May 9 @ Farash Center Monday, May 9, 2016 7:00 PM Location:Farash Center Ionia NY . ...

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Next: Polarization efficiency: size/shape/orientation effects Up: Optical properties of cosmic Previous: The 2175? feature . To model the interstellar polarization one needs to calculate the forward-transmitted radiation for an ensemble of non-spherical aligned dust grains. ... Let non-polarized stellar radiation passes through a dusty cloud with a homogeneous magnetic field. ... The angle between the line of sight and the magnetic field is ( ). ... where the angle is connected with and ( ). ...

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• Database of Optical Properties -- Level: page

... The Main Problems of the Course. ... Some Knoleges from Mechanics, the Main Dynamics Equations for Bodies of Variable Mass, Meshchersky Equation. ... Rocket Motion on Powered Trajectory. ... The Law of Attracting Centre Distance Change. ... The Main Integrals of Motion. Satellite Orbit Equation, Motion Velocity, Orbital Period. ... Forces Affecting on the Artificial Satellites of the Earth. ... Influence of Planet Oblateness on Satellite Motion, Influence of Atmospheric Braking on Satellite Orbit. ...

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... This report examines the mechanical properties of a cylindrical plug held into a cylindrical hole by a ribbed plastic sleeve of uniform cross-section (figure 1). ... Figure 1: ribbed platic sleeve The plug is entirely retained by friction between the ribs and the plug and hole. ... is the coefficient of static friction and is the normal force of the plug (or hole) on each rib. Using to denote the stress on a compressed rib, the retention force due to one rib is: . ...

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• Appendix A
• Instrument Orientations and Offset Directions
• Untitled Document

August, 2012, Odessa, Ukraine EVENTS: Monday, 20.08.2012 Arrival 09.00 ­ 22.00 Registration of participants 20.00 ­ 22.00 Evening session : Astronomical Society news (conference hall of ONU recreation center « Chernomorka ») Tuesday, 21.08.2012 06.03 09.00 09.30 10.45 12.45 13.00 14.30 16.00 16.30 18.00 19.00 19.57 21.00 06.04 09.30 11.00 11.30 13.00 14.30 16.00 16.30 18.30 20.00 19.56 ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ 13.00 10.45 12.45 ... 10 Section 3. ... 14.30 ­ 15.30 Section sessions ­ .. ...

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• http://www.astro-soc.odessa.ua/Program-2011.pdf
• http://www.astro-soc.odessa.ua/Program-2014.pdf