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1. Mass
Galileo showed convincingly that heavy objects fell no faster that light ones. ... If an iron ball was pulled down with a much greater force than a wooden one of the same size, why didn't it fall any faster? ... 1) It is harder to lift. ... It is the fact that the loaded wagon has a greater mass that gives it a larger inertia , a larger tendency to oppose any change in its state of rest or of constant motion in a straight line. ... One important quantity was the body mass of the astronauts. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Smass.htm -- 8.1 Кб -- 11.03.1999
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2. The Stellar IMF at Low Masses: A Critical Look at Variations and Environmental
... The Stellar IMF at Low Masses: A Critical Look at Variations and Environmental Dependencies . ... View Registration . ... The shape of the stellar initial mass function (IMF) is one of the main uncertainties in our understanding of star formation, i.e., the conversion of gas into stars over cosmic time. ... The main purpose of this workshop is to have a critical look at current and new evidence for variations of the IMF at sub-solar stellar masses. ... The registration fee is $200.00. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/institute/conference/stellar-imf -- 17.5 Кб -- 10.04.2016
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3. Dark Matter in the Universe
So the evidence for Dark Matter is fairly overwhelming. ... Theory: if the Universe is closed then all the luminous matter seen in galaxies contributes only 0.5% of the mass required to eventually halt the expansion . ... This means that galaxies are surrounded by dark matter halos which trapped baryonic gas (e.g. hydrogen) and turned it into stars. ... WIMPS - weakly interacting massive particles created in the extremely early universe . ... Theory 99% of the Universe is Dark Matter . ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/1999/ph123/lec08.html -- 6.2 Кб -- 27.06.2000
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4. Tours, Lectures, Events
... Observatory tours are usually conducted by the Librarian, who in 2000 showed approximately 500 individuals from 19 different countries around the Observatory. These figures highlight the success of the Armagh Observatory's `open door' policy to attract visits by interested members of the public, groups and societies. ... In addition to tours, the Observatory also organized several public lectures, and hosted a number of special events during 2000. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/annrep/annrep2000/node25.html -- 9.3 Кб -- 16.07.2001
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5. Mass
... The difference is that inertia is an inherent property of matter, while weight also depends on gravity. ... They use gravity, balancing its force on the astronaut's body against a calibrated spring or against the force of gravity on some calibrated weights. ... Using scales and the local force of gravity, one can determine gravitational mass; or else, one might dispense with gravity, like the astronauts aboard Skylab, sand measure the "inertial mass," and in principle they may differ. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Smass.htm -- 13.9 Кб -- 01.06.2006
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smass.htm -- 13.9 Кб -- 22.12.2007
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6. ASP: Black Holes: An Introductory Resource List
home education > resources . ... Resources . ... Astronomy Education Bibliography . ... Black Holes: An Introductory Resource List . ... Castelvecchi, D. "A New Breed of Black Hole" in Sky Telescope , Apr. 2006, p. 36. ... Charles, P. Wagner, R. "Black Holes in Binary Stars: Weighing the Evidence" in Sky Telescope , May 1996, p. 38. ... Nadis, S. "The Secret Lives of Black Holes" in Astronomy , Nov. 2007, p. 28. ... Nadis, S. "Black Holes: Seeing the Unseeable" in Astronomy , Apr. 2007, p. 26. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/resources/blackholes2.html -- 19.0 Кб -- 02.10.2012
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7. ESO - Thesis Topic: Dynamical models of multiple globular cluster populations
... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Dynamical models of multiple globular cluster populations around massive galaxies . ... Different techniques have been devised to separate multiple GC populations and perform dynamical analyses. ... Within this project, the PhD candidate will examine mock models of multiple GC populations around massive galaxies, devising `blinded' functional tests and comparing the possible sources of bias in different techniques....
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-hilker.html -- 28.5 Кб -- 10.04.2016
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8. XWare > APOD
... The gravitational lens effect of the red, foreground, elliptical galaxy visible near image center creates a cloverleaf image of the single distant quasar. ... NGC 1850: Gas Clouds and Star Clusters . ... Globular clusters only 40 millions of years old can still be found in the neighboring LMC galaxy, though, but perhaps none so unusual as NGC 1850. The Coma Cluster of Galaxies . ... Stars Without Galaxies . ... Galaxies are made up of stars, but are all stars found within galaxies? ... March . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/apod.html?page=77&d=2001-04 -- 15.5 Кб -- 12.04.2016
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9. How massive must a colliding body be to disturb Earth's orbit? | Astronomy.com
... Tonight's Sky . ... Observing . ... Sky this Month . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Seasonal Observing . ... How massive must a colliding body be to disturb Earth's orbit? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2012/12/colliding-body -- 63.3 Кб -- 10.04.2016
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10. Initial Distributions of Binary Parameters
Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...