Astronomy Discussion Forums . Forums: . ... The Protective Role Of Moon. ... Post Message | ... It seems that Moon has an important and serious role of protecting Earth from comets! When a comet falls on Earth, it digs in the ground and buries inside the earth surface; this is opposite to the meteorite, which when falls on Earth it stays upon the surface, and does not usually bury under the ground. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ...

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... Fundamental core Alfven mode ~20Hz Fundamental crust shear mode ~10 ґ 40 Hz Strong coupling leads to non-trivial dynamics. ... Initial crustal displacements decay in <second What happens then? crust Ї Global modes are strongly damped when inside Alfven continuum (L.06,07, Gruzinov 08) Ї cf. ... Crustal modes Alfven continuum (edge and gap modes) Tangling: effective shear modulus, discrete modes' grid Mass loading in the core (superfluidity, proton fraction) Transient QPOs Successes: 1. ...

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Электронная библиотека астронома-любителя. ... архив RSN . ... Ru.Space.News: . Март 1998 . ... Дата: 03 марта 1998 (1998-03-03) От: Alexander Bondugin Тема: Detailed Images From Europa Point To Slush Below Surface Привет всем! ... Recently transmitted from the Galileo spacecraft, the images provide three key pieces of evidence supporting the idea that water may lurk beneath Europa's surface. ... Europa's blindingly bright ice surface makes it one of the brightest objects in our solar system. ...

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JSC Turns 40 Home | Article | Gallery . Johnson Space Center at 40 Years Imagery . ... S93-45589 --- A crew of four descends to the lunar surface in a spacecraft designed to utilize oxygen produced on the Moon for propellant. Because of the high performance advantages of in situ propellants, the spacecraft does not need to rendezvous with a second spacecraft in lunar orbit. Curator: JSC Web Team | Responsible NASA Official: Amiko Kauderer | Updated 7/16/2010 . ...

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MAJOR MAGNETIC STORMS 1932-1997 ACCORDING TO THE Ap* CRITERIA To view a plot of the number of magnetic storms v.s. sunspots, go to ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/APSTAR/magstorm.gif A simpler global index of magnetic activity (other than Kp or Km) is produced in France from the K indices of two nearly antipodal magnetic observatories in England and Australia. ... An AA* index has been derived that is the counterpart of Ap* but is available for the longer span of years. ...

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RECREATIONAL TELESCOPES . ... ASTRONOMICAL TELESCOPES . ... Home Products Telescopes Astronomical Telescopes ASTELE? 152MN . ... Whatever eyepiece you're using at the time is your finder eyepiece. ... 152MN is 4.4, so, unlike telescopes with much longer ?-ratios, you're able to use low magnification (27.4 X, 2.3° with the 25 mm PlЖssl eyepiece) which produces bright images and wide fields of view for those dim galaxies, nebulae, and very large star clusters, but the ASTELE? ... BK7 optical glass . ...

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Basics of one- fluid plasma description. Classic approach: forces acting upon conducting fluid. ... Magnetic Reynolds number. Magnetic field diffusion. Two- fluid plasma model. Dispersion of waves in plasma. Magnetic sound in two- fluid MHD. Oblique waves. ... Wave equation for Alfven waves in inhomogeneous plasma. ... Cusp Alfven waves. ... Surface waves in a plane geometry. Magnetosonic surface waves on field tubes. ... Plasma in strong magnetic field. ... Solar wind. ...

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. Album : asv-album :: Travels to distant places and countries :: 1997/08 Kyoto, Nara (Japan) :: 25/08 Kyoto Botanical Garden . Up . << Prev . Pond grown with lotus all over the surface. Next >> . Photo album generated by album generator a free tool written by D. Madison on Tue Jun 23 14:46:26 2015 .

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... Space Res., 12, 265, 1992 planetary magnetic dipole: Mizutani, H., et al., ... Astrobiology, 7, 167, 2007 CME induced H+ ion pick-up loss at 0.05 AU for ` Hot Jupiters ' HD209458 b Mass loss ~1011 g/s even for weak CMEs Mmax strong magn. protection in reality Exoplanet magnetospheres - importance of magnetodisk Relatively large amount of observed Hot Jupiters (27%): survival of close-in giants indicates their efficient protection against of extreme plasma and radiation conditions ...

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... Telescopes · Binoculars · Microscopes . Meade Ultra-High Transmission coatings (UHTC ) Group . ... Meade Standard Coatings: The optical surfaces of all Meade telescopes include high-grade optical coatings fully consistent in quality with the precision of the optical surfaces themselves. ... These specialized, and extremely advantageous, coatings are offered here as the Meade Ultra-High Transmission Coatings (UHTC) group, a coatings group available optionally on many Meade telescope models. ...

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hstpolsim -- Produce simulated polarization input data frames for HST instruments . ... inint = "" [name] . ... Name of the HST instrument for which simulated polarization images are to be produced. ... Name of the instrument specific polarizing filter for simulated images (ignored for SPECIAL instrument). filtname = "" [name] . Name of the instrument specific colour filter for simulated images. ... The header parameter FILTER provides the filter name and POLANG the polarizer angle. ...

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Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

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ПУБЛИКАЦИИ - 2012 год . ... Modeling MHD Shock Wave Propagation Along the Solar Surface, Using Nonlinear Geometrical Acoustics // Energy Storage and Release through the Solar Activity Cycle / Ed. by Christophe M., Nindos A. Berlin: Springer, 2012. ... I. Reconciliation of "EIT Waves", Type II Radio Bursts, and Leading Edges of CMEs // Energy Storage and Release through the Solar Activity Cycle / Ed. by Christophe M., Nindos A. Berlin: Springer, 2012. ... Berlin: Springer, 2012. ... J. 2012. ...

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Journal of the Amateur Astronomers Association of New York November 2009 Volume 57 Number 11, ISSN 0146-7662 EYEPIECE of distant galaxies. ... November 7 M oon a t p er igee (229,226 m iles fr om Earth), 2:25 a.m. November 9 M oon lies n ea r M a r s; la st -quarter Moon at 10:56 a.m. 2 November November November November November Earth, 8:24 12 M oon lies sou t h of Sa t u r n . ... A program surveyed 2,000 stars over five years to look at solar-type stars for low-mass planets. ...

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