... Carefully measure the diameter of the craters formed by the impact without disturbing the sand. ... Crater diameter increases with increasing mass. ... Without disturbing the sand, carefully measure the crater diameter. ... Did you measure any difference in the diameters of the craters? Yes, as velocity increases, so does crater diameter. ... Impact cratering. ... Impact craters can be demonstrated with younger or less advanced students using mud instead of sand and ball bearings. ...

... Mass . ... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter...

Wave propagation in an irregular plasma . Methods of the ionospheric plasma radio sounding . ... Program, Grant No. ... Investigation of Anomalous Attenuation Effect Caused by Radio Wave Scattering and Transformation on the Ionospheric Irregularities . ... Grant No. ... Diagnostics of Ionospheric Irregularity Spectrum Using Measurements of Radio Wave Anomalous Attenuation Under Vertical Sounding . ... Simple numerical model of radio wave multiple scattering effects in the ionospheric plasma layer. ...

Next: HST Paper Products: A New Way to Look at HST Data . ... After providing on-the-fly re-calibration of HST data to archive users, ST-ECF has embarked on a new project aiming at grouping, cosmic ray cleaning and drizzling images taken by most HST instruments. ... The production of the missing jitter files combined with the extraction of additional engineering parameters will greatly enhance the homogeneity and the scientific value of the entire archive. ... 1995, HST Data Handbook, STScI, 107 . ...

Educator's Guide to Kitchen Comets . ... When a comet nucleus is gravitationally drawn into the inner solar system it begins to heat up. ... You can make an accurate model of a comet nucleus easily and inexpensively. ... Dry Ice (5 lbs) available from ice companies or ice cream parlors; CAUTION: Dry ice is -79 degrees C (-110 degrees F). ... Water, ammonia, organic (carbon based) molecules, and silicates are all present on comet nuclei. ... Observe the behavior of your miniature comet nucleus. ...

. Album : asv-album :: Travels to distant places and countries :: 1997/08 Kyoto, Nara (Japan) :: 18/08 Higashi-Honganji temple . Up . Central Kyoto railway station. Next >> . Photo album generated by album generator a free tool by David Madison on Tue Jun 23 14:46:08 2015 .

OptInt PmWiki . ... Edit Page | ... Search : . ... MROI Delay Line Design Contract . ... MROI . ... This page uses custom searches. ... While it is not powered by a "search engine", it can be tweaked to produce results that are targeted and customized. Searches can be targeted to restrict the search to certain pages. ... Whether you use the search box below, or the regular search box that appears at the top of this page, any search that you run from this page will provide the customized results. ...

... In a nova, a nuclear detonation on the surface of a compact white dwarf star blasts away material that has been dumped on its surface by a companion star. ... Photographed from the approaching Space Shuttle Endeavour, the Mir space station floats above the clouds of planet Earth. ... This sequence of false color X-ray images captures a rare event - the passage or transit of planet Mercury in front of the Sun. ... NGC 1808: A Nearby Starburst Galaxy . ... NGC 1808 is a galaxy in turmoil. ...

... V. measurement error and EM . ... What is systematic error ? ... Astronomers sometimes call it measurement error . ... Statisticians? measurement error generally corresponds to astronomers? statistical error , not systematic error. This systematic error could be related to nuisance parameters, profile likelihoods, hierarchical Bayesian modeling, or a fixed bias (empirically known or other source provides its estimate ? ... Tags: measurement error , statistical error , systematic error . ...

... Procedure . ... The alignment telescope is delicate and extremely expensive; treat it carefully. ... Manhole cover" and associated shoulder screws and pins: the fixture used to mount the alignment telescope to the 2.5m instrument rotator. ... Adjust the focus of the crosshairs of the alignment telescope by rotating the eyepiece. ... Record the position of the alignment telescope's crosshairs on the secondary mirror's dimple (e.g. by making a sketch). ... Adjust the mirror until it is collimated: . ...

Stellarium 0.12.3 . ... StelButton Class Reference . A Button Graphicsitem for use in Stellarium's graphic widgets. ... StelButton (QGraphicsItem *parent, const QPixmap &pixOn, const QPixmap &pixOff, const QPixmap &pixHover=QPixmap(), QAction *action=NULL, bool noBackground=false) . ... StelButton (QGraphicsItem *parent, const QPixmap &pixOn, const QPixmap &pixOff, const QPixmap &pixNoChange, const QPixmap &pixHover=QPixmap(), QAction *action=NULL, bool noBackground=false, bool isTristate=true) . ...

... Program of the Course of Radio Astronomy . Moscow State University , Physics Department , Astronomy Division , 4 th year, 60 hours in total) . ... Molecular maser emission. ... The emission of the interstellar neutral hydrogen. ... Pacholczyk, A. G. Radio Astrophysics, W. H. Freeman & Co., ... Frontiers of Astrophysics, Avrett, E. H., ed., Harvard University Press, Cambridge, Mass., ... Kaplan, S. A., Pikelner, S. B. The Interstellar Medium, Harvard University Press, Cambridge, Mass., ...

... Press release for Feb. 7, 2001 09.00 a.m. (Moscow time) . The Station "Mir" and cargo ship "Progress M1-5"operations scheduled for 6-7 Feb. completed. To increase power generation the Station's attitude in inertial coordinate system is controlled by jets with the spinning about its longitudinal axis of 0,25 degrees /sek.The Station and the cargo ship onboard systems checked out, the orbit radiomonitoring performed. The Station remains pressurized, the onboard systems perform nominal. ...

... sfit . ... commands . scl . ... Define parameters for controlling performance of genetic algorithm . ... generations . The maximum number of generations the program will go through, before stopping, if the solution is not within the given tolerance. 10 . ... The number of parents randomly generated in the first generation, and in each subsequent generation. 50 . ... This is multiplied by the number of parameters being varied to give the total string length for each parent. 16 . ... elitism . ...

... history, facts, technology, space ships . Module ISS ?Zarya? ? ... Module ISS ? ... общее описание . ... описание радиотехнической системы стыковки . ... описание системы управления . ... описание системы движения . ... описание системы электроснабжения . Module ISS ?Zvezda? ? ... Module Space station ?Mir? ... Module Space station ? ... Space station ?Almaz? ? ... Space station ?Salyut? ? ... Space station ? ... описание запуска ?Salyut-1? ... Russian Astronauts . ... Russian Space Stations . ...

... Home Page . ... Software: Version 4.0 . Version 3.0:Complete Documentation . ... Цифровой ионозонд 'Парус' предназначен для вертикального зондирования ионосферы. Ионозонд 'Парус', разработанный в ИЗМИРАН, является высокоточным прибором с современным математическим обеспечением. ... 142190, Россия . Tel: 7-(495)-334-02-78 . Fax: 7-(495)-334-01-24 . ... 142190, Russia . ... 2004 IONOSONDE PARUS ...

Preliminary results of astroclimate parameters measurements at the Sternberg 2.5m telescope installation site V.Kornilov, N.Shatsky, S.Potanin, O.Voziakova, B.Safonov Moscow, 2008 Acknowledgements A.Belinskiy M.Kornilov A.Tokovinin M.Kuznetsov P.Kortunov E.Gorbovskoy SAI administration some SAI students Pulkovo solar station (KHSS) staff RFBR support MAVEG Gmbh Why to study optical turbulence and some other relevant ... Mean seeing by DIMM data for this night is 1''5. ...

... Dept. for Physics of Planetary Systems . ... Laser station . ... Built a network of laser stations (LLS), radio (GNSS) satellites and observation radiointerferometrychnyh observations of quasars (VLBI) ( YA.S. Yatskiv, Medvedsky MM, AA Pace, EE Volvach, YL Kokurin in collaboration with workers in other entities) . ... БЂў Laser station observation satellites is the global network of service stations of the International Earth rotation and conducts active surveillance for international programs. ...

... Parameter Spec Measurement Technique: Wavelength = 355nm (Visual confirmation) Energy = 30 uJ, 160-180 mJ (4025 pulses), 40 uJ (micropulse) Pulse Duration = 10 ms (Measured at 10 ms on an oscilloscope) Micropulse Width = 70ps IR, = 50 ps UV (Autocorrelator to measure IR pulse waveform Temporal Profile - flat envelope) Measured at 10 ms on an oscilloscope. ... Burn Paper measurement) Repetition Rate = 10 Hz/402.5 MHz Oscilloscope Shot to Shot Stability = 3% RMS for pulse envelope. ...