... Archives . ... Nov 7th, 2007| 11:57 am | Posted by hlee . Today?s arxiv-stat email included papers by Poetscher and Leeb, who have been working on post model selection inference. ... How you know your data are from chi-square distribution, or gamma distribution? (this is a model selection problem with nested models.) ... stat.TH:0702703] Can one estimate the conditional distribution of post-model-selection estimators? by H. Leeb and B. M. P\?{o}tscher . ... Chandra Blog . ...

... On the basis of hypothesis about Solar s ystem formating from endo-Galactic Vortex, stated by е.л. Trunaev, who have acquainted the author of the present work with his manuscript in 1991 during personal contact , the results of attempt to apply its main rules to some calculations at the Solar system actually and at planets satellite systems are below stated. ... orbit in . ... All satellite systems of planets, as well as the Solar system, are formed from two- branch pre-planetary (pre-Solar)...

... We considered our current level of technology compared to that of an average alien civilization. Regardless of any modest value of L chosen?500 years, 5000 years, or longer?their level of technology is vastly advanced compared to ours. Thus, most science fiction gets it right by having advanced alien technology, but gets it wrong by not making them sufficiently advanced. ... What would alien civilizations at a distance of 100 or 1000 lightyears know of us (hypothetically)? ... Education . ...

polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...

... 365­368, ISSN 1055-6796, Photo copying p ermitted by license only, c Cambridge Scientific Publishers Distance scale calibration from kinematic analysis of an ensemble of the galactic planetary nebulae V.V. Akimkin1, I.I. Nikiforov2, A.F. Kholtygin 1 2 2 Astronomical Institute of the Russian Academy of Sciences, Russia Sobolev Astronomical Institute of St. Petersburg State University, Russia Received 1 February, 2012 We study the kinematics of ensembles of planetary ...

Instructions for using Menu-driven Axis Control Software . ... Altitude and azimuth axes use position feedback and the setting is in counts per second times 10. ... Use b to set the brakes and use c to clear the brakes for the corresponding axis, either azimuth or altitude. ... Use m to move to the previously specified position and velocity for the corresponding axis; either azimuth or altitude. ... Use g to move to the previously specified position and velocity for both the azimuth and altitude axis. ...

... Trajectory Correction of the Spektr R Spacecraft Motion G. S. Zaslavskiya, V. A. Stepan'yantsa, A. G. Tuchina, A. V. Pogodinb, E. N. Filippovab, and A. I. Sheikhetb a Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Miusskaya pl. ... By definition, the ballistic lifetime of the spacecraft at current time instant t is provided when it flies above the Earth's surface at no less than a given altitude h l . ... 5 2014 TRAJECTORY CORRECTION OF THE SPEKTR R SPACECRAFT MOTION Table 1....

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Moon . ... Comets and Asteroids . ... What changed our view of Chariklo is the discovery of a ring system around it, the first such feature found around a Solar System body smaller than a gas giant planet. ... Almost certainly the rings were born when a collision with a smaller asteroid blasted millions of tonnes of debris off CharikloтАЩs surface. ... A ring system detected around the Centaur (10199) Chariklo (Braga-Rigas et al.) ...