3) Planets and Brown Dwarfs . ... By its nature, this method is most sensitive to massive planets orbiting close to their stars. ... That means that some of the more massive extrasolar planets could actually be brown dwarfs (although the statistics of the finds suggest that most of them are not). ... Another possible difference between brown dwarfs and massive planets is how they are born. ... They would base the fundamental definition on the mode of formation: a planet is built from planetesimals. ...

... Posts tagged ?small sample? ... Student?s t-distribution is somewhat underrepresented in the astronomical community. Having an article with nice stories, it looks to me the best way to introduce the t distribution. ... Guinness, Gosset, Fisher, and Small Samples by Joan Fisher Box . ... Continue reading ?Guinness, Gosset, Fisher, and Small Samples? Tags: distribution , error , Gosset , guinness , history , sampling distribution , small sample , student t . ... Comment . ... Entries RSS . ...

... SCIENCE AND BUSINESS . Such a trifle as a starry night sky of largest observatories turned out to be a small change coin in commercial bargains for exclusive communal services in Russia, and for a few elite flats in penthouses in Ukraine. SCIENCE AND BUREAUCRATISM . ... Till in Russian) . ... Clericalization of science and education (Till in Russian). ... Researcher of the Sternberg Astronomical Institute, The Moscow University. ... SAI home page . ... October, 2008) . ... November, 2007) . ...

Observational Stellar Astronomy . Articles | ... We are made of star stuff" . ... TEMPERATURE OF A STAR: . ... The temperature of a star can be found out easily by simple observations. ... STAR . ... SPECTRAL CLASS: . All the stars in this universe are divided in to spectral classes based on their spectral lines. ... The spectral class of a star and the temperature of a star are related. So the spectral class can be found for a star since we know its temperature. ... www.astronomy.net . ...

... Home aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-small . ... Lecture Series 2014-2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Published February 15, 2015 at dimensions 300 300 in aaa-logo-by-marcelo-cabrera-(fonts-traced)-updated-small . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Besides computer simulations, what evidence do astronomers have to support the popular hypothesis that elliptical galaxies form from merging spirals? ... When a small galaxy merges with a much more massive one, astronomers call the process a minor merger and the more massive galaxy is little affected. ...

... An alternate model dominated by smaller grains, near the blowout size a~0.5 ЮМm, located at 30-40 AU is also possible but requires the dust to have been produced recently, since such small grains will be expelled from the system by radiation pressure in approximately a few times 102 yr. ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... ESO Acronyms . ... Survey Telescopes . ... Star Clusters . ... Stars@ESO . ... This computer simulation shows how a vortex can form when a massive planet is interacting with a disc around a young star. ... This vortex can trap millimeter-sized particles over million years timescales and explain the high contrast structure observed with ALMA in the disc around Oph-IRS 48. ...