... 2006 August 2 . Methane Rain Possible on Titan . ... Explanation: Might it rain cold methane on Saturn's Titan? ... Combined with observations of a damp surface and lakes near the poles, some astrobiologists conclude that at least a methane drizzle is common on parts of Titan. ... The later scenario is depicted in the above drawing of Titan. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: EUD at NASA / GSFC . ...

... Methane Rain Possible on Titan . ... 2.08.2006 . ... Credit Copyright: Mark Garlick (Space-art.co.uk) Explanation: Might it rain cold methane on Saturn's Titan? Recent analyses of measurements taken by the Huygen's probe that landed on Titan in 2005 January indicate that the atmosphere is actually saturated with methane at a height of about 8 kilometers. ... 2005 2006 . ... Publications with keywords: methane - Titan - Saturn . Publications with words: methane - Titan - Saturn . ...

... Gravitational wave search provides insights into galaxy evolution and mergers . ... Is it possible that the gravitational effects attributed to dark matter could be caused by Jupiter-sized planets discovered orbiting other stars and also floating freely outside planetary systems? ... A large number of detected and undetected Jupiter-sized planets could not mimic the gravitational effects produced by dark matter for two reasons. ... Get instant access to subscriber content on Astronomy.com! ...

The VIRGO project is a physics experiment; its aim is the detection of gravitational waves. ... It has not yet been possible to detect directly the gravitational waves: it remains one of the major challenges of experimental physics. ... Interferometric antennas for gravitational waves Gravitational waves distort space-time: along two perpendicular directions, the distances between fixed points will increase (resp. decrease), at the arrival of a gravitational wave. ... Publications from our Group . ...

... 2.3 Establishing the Extragalactic Distance Scale . ... 2.3.2 The Second Rung: Distances to stellar clusters . ... 2.3.4 Distances to Local Group Galaxies . ... The Luminosity Function of Planetary Nebulae . ... 3.2.2 Clusters of Galaxies . ... 4.2 Evidence for Dark Matter as a Function of Scale Size . ... 4.3 Other Dark Matter Indicators for Galaxies . ... What is the nature of the large-scale distribution of matter in the universe as traced by the three-dimensional galaxy distribution? ...

FOS Advisory: Some FOS STARVIEW reports may be misleading . The STARVIEW screen which reports a comparison of the `Used' vs latest `Recommended' Calibrations available for any given FOS dataset is misleading in certain cases. ... However, the STARVIEW screen incorrectly qualifies the `Level of Change' of these calibrations as `N/A'. ... STScI Home Page -|- STScI Instruments Page -|- Top FOS Page . Maintained by the STScI FOS Group . 30 December 1997 . ...

... Наблюдения (Модераторы: tlgleonid , SP ) > . Possible GRB . ... Отчеты о наблюдениях . ... Наблюдения . ... Оффлайн . Сообщений: 2108 . Благодарностей: 21 . ... 16 Февраль 2011, 19:16:44 ? ... SUBJECT: OT 110215: possible GRB from 2MASS J00264184+8324093 . ... reflector and CCD the bright optical flash was detected starting on 2011 . ... Lightcurve: http://hea.iki.rssi.ru/~denis/J002641+832409-LC-Sergei.png . ... Записан . ... Сообщений: 3068 . ... Ответ #1 : 16 Февраль 2011, 19:21:11 ? ...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). For this paper: postscript PPEUC CMB index 1 Introduction.. ... Madingley Road, Cambridge CB3 0HE, U.K. CMB experiments using amplifiers cover the full range of angular scales of interest, from to , and provide constraints on the CMB power spectrum with similar sensitivity to bolometric measurements. ... 1 Introduction . ... 3 Beam-switching experiments . ... PPEUC Proceedings . ...

... S/ 1981 S 15 174000 S/ 1981 S 16 220000 S/ 1981 S 17 231000 S/ 1981 S 18 185000 S/ 1981 S 19 186000 S/ 1995 S 1 137450 S/ 1995 S 2 139700 S/ 1995 S 3 141050 S/ 1995 S 4 146450 S/ 1995 S 5 140060 S/ 1995 S 6 139910 S/ 1995 S 7 139440 The first two groups are derived from analysis of Voyager 2 data reported in IAUC 6162 ; the third group is from HST observations during the May 1995 ring ... S/1995 S 3 orbits just outside the F ring and is apparently a shepherd moon . ... New Moons ....

Next: Refining the Dispersion Up: Getting the Dispersion Previous: Determination of the . Midas.. ... PLOT/RESIDUAL . displays the residuals (column :RESIDUAL in table line.tbl ) as a function of wavelength. ... plots the dispersion relation and the residual value as a function of the wavelength. Note that PLOT/RESIDUAL and PLOT/DELTA display the rms of the residuals. It is also possible to display, for all rows, the residuals for a given line of wavelength ``wavelength'' with: . ...

From: Tony Wong ( Tony.Wong@atnf.csiro.au ) . Date: Thu Oct 04 2001 - 21:16:35 EST . Previous message: Tony Wong: "Geoff Blake!" ... Date: Mon, 1 Oct 2001 10:23:37 -0700 (PDT) . ... Subject: Re: invitation to workshop . Hi Tony, . ... currently seems to have security concerns about all foreign travel, at least in . ... So feel free to fill my slot since I will not be able come . ... Date: Sat, 29 Sep 2001 21:16:12 +1000 (EST) . ... I'm sorry, but I will not be able to attend the workshop. ...

... An error involving a missing tasks parameter indicates that the parameter file may have changed between the last time the task was used and the current version. ... If still in trouble, delete the parameter file in `myiraf/uparm' corresponding to the task (the names are somewhat contrived, but with a bit of imagination it is not too difficult to identify the right one). ... The imcnts task and region masks . ... A region descriptor of the kind: . CIRCLE(403, 403, 22.5) . ... See `help regions'.) ...

... The usual maximum is due around August 12, 17h30m-20h00m UT, but Esko Lyytinen suggests we may encounter the 1610 Perseid trail earlier on August 12, around 9h00m UT (ЮЛo = 139ТА661). ... Image: Are we in for a Perseid spike? ... This is a nice automatic page made for IMO (the International Meteor Organisation ) by Geert Barensten, currently a PhD student at Armagh OBservatory. ... Monday, 10 August 2009 01:26 . International Year of Astronomy, Ireland National Node . ...

... Science Users Information > Data Handling and Products > Data Reduction FAQ > Is it possible to calibrate the visibility data of our object with a calibrator observed in another mode? ... Observing Facilities . ... Observing with ESO Telescopes . ... Observing Tools and Services . ... ESO-MIDAS . ... Data Handling and Products . ... Data Pipelines and Calibrations . ... ESO Data . ... ESO Data Access Policy . ... The calibrator data should be reduced using MIA in HIGH_SENS mode (mode "D"). ...

Proposal Identi cation No.: P1481 Date Received: 2000-Sep-30 20:41:33 Technical Page Proposal Type: Long-term General Category: Pulsars Observation Category: Galactic Total Time Requested: 605 Hours Proposal Title: Probing the NanoHertz Gravitational Wave Background with a Pulsar Timing Array ABSTRACT: Precision timing of an array of millisecond pulsars provides the only method for direct detection of gravitational radiation at nanoHertz frequencies. ... This includes GPS monitoring of time. ...

Blackholes Forum Message . Forums: . ... Discussion Forums | Blackholes I | Post . ... Yes= No Possible Probe . Forum List | ... Post Message | ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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Once students get the hang of it, they can find and measure the brightness of Delta Cephei in a few minutes. ... of Delta Cephei . ... Oct. ... The following table lists the measurements of Delta Cephei made by one amateur astronomer in autumn 1990. ... 4.0 . ... This activity is a simplified version of one that appeared in Hands-On Astrophysics, a series of activities prepared by the American Association of Variable Star Observers with support from the National Science Foundation. << previous page | ...

Back . The RATAN-600 poject foresees using 12 azimuthal reilways for observations. In 1999 only azimuths: 0,30,180,240,270 o could be used.

. B0101ћ8-3012 . Redshift = 0.89, Separation = 16 arcsec. Projected separation is 71/h kpc. The difference in the measured velocities is 300?850 km/s. From the flux ratios, it is clear that the continuum shapes are also remarkably similar. | Front page | . | << - QSO close pairs | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .