... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Un ast†йro†пde sur la m†кme orbite que la Terre . ... L'ast†йro†пde 2010 SO16, d†йcouvert en septembre dernier par le satellite Wise, partage la m†кme orbite que notre plan†иte. ... Quel †йv†йnement a bien pu projeter cet ast†йro†пde sur son orbite en fer †а cheval ? ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... mars reconnaissance orbiter . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

home publications > mercury . ... A Titan-ic Mission . ... Saturn's moon Titan seems like the stuff of science fiction, but it really exists, out there in the distant reaches of our own Solar System. ... Ringed Saturn, heavily veiled by the thick atmosphere of this small world, hangs low and huge in the sky. ... But under that heavy atmosphere, planetary scientists believe an exotic world awaits our discovery [see "Saturn and Titan on the Eve of Cassini-Huygens," September/October, p. 10]. ...

... Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: What processes formed the unusual surface of Saturn's moon Tethys? To help find out, NASA sent the robotic Cassini spacecraft right past the enigmatic ice moon in 2005. ... The pervasive white color of Tethys is thought to be created by fresh ice particles continually falling onto the moon from Saturn's diffuse E-ring -- particles expelled by Saturn's moon Enceladus . ... Saturn After Equinox . ... Saturn at Equinox . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Have you ever looked at pictures of Saturn's rings and noticed what look like gaps in the rings? ... Gian Domenico Cassini discovered a large gap in Saturn's rings in 1675. Later, an astronomer named Encke discovered a smaller gap near the edge of the rings. ... It was found long ago that an orbit in the Cassini Division, as the large gap is named, has a period almost exactly one-half that of one of Saturn's moons named Mimas. ... 2008 Phil Plait. ...

Astronotes Armagh Planetarium's Stellar Blog! ... January . ... Posted on February 2, 2016 | No Comments Goodbye January blues, hello February fun! WeтАЩre already into the second month of our new year and itтАЩs been absolutely amazing for stargazing already. ... Continue Reading.. ... Posted on October 20, 2015 | ... No Comments January is the marmite of every year, individuals either love it or hate it as it brings the beginning of a New Year and new opportunities yet marks the end [ ] . ...

Outer Natural Satellites Orbits Ephemerides. Outer satellites of Saturn . ... Values of the orbital elements [ output e sin( ), e cos( ), sin(i) sin( ), sin(i) cos( ) ] . ... Choose Satellite S6 - Phoebe S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 S48 S50 S51 S52 S/2004 S7 S/2004 S12 S/2004 S13 S/2004 S17 S/2006 S1 S/2006 S3 S/2007 S2 S/2007 S3 of Saturn . ... Enter initial date (years) . ... inclination deg. pericenter deg. node deg. ...

... So it is that Saturn and Titan will be the destination of the Cassini mission, a project under joint development by NASA, the European Space Agency and the Italian Space Agency. ... This artist's rendering shows the European Space Agency's Huygens probe descending into the atmosphere of Saturn's moon Titan after being released by NASA's Cassini spacecraft. ... This artist's rendering shows the European Space Agency's Huygens probe descending into the atmosphere of Titan with Saturn in the background...

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

Image of Saturn by Mark and Nigel Stronge taken on 17th December 2002 showing the square shadow where the planet's shadow meets the Cassini division. ... showing the black drop effect. The report was published in a recent issue of the magazine 'Astronomy Geophysics,' entitled 'Extending the Black Drop to Saturn' ** by Mark Bailey (Armagh Observatory), David Stewart (Irish Astronomical Association) and Mark Stronge (East Antrim Astronomical Society). ...

... Новости . ... Орбитальный аппарат Mars Reconnaissance Orbiter благополучно передал на Землю информацию, отправленную ему зондом "Феникс", после чего его УВЧ-передатчик, использовавшийся для связи с зондом, отключился по неустановленной причине, сообщает NASA. ... На сайте NASA опубликованы многочисленные снимки, сделанные как Mars Reconnaissance Orbiter, так и самим "Фениксом". ... Феникс" на Марсе: вода найдена . ... Ключевые слова: Марс , Phoenix , MRO , Mars Reconnaissance Orbiter , Феникс . ...

... Parameters of the Moon-perturbed orbit . ... From orbits consistent with this limitation and with the date of the launch October 1, 2000 as an example, an orbit was selected with apogee directed to the North Galactic pole at the begining and rotation of orbit plane was maximized. The initial state vector is given in the inertial coordinate system in epoch J2000.0. ... The orbit has initial perigee radius Rp=7000.0 km, initial apogee radius Ra=343000.0 km and initial period T=8.4