... NGC 3242: The 'Ghost of Jupiter' Planetary Nebula . ... 31.03.1997 . ... WFPC2 , HST , NASA Explanation: It's a weed , it's Jupiter , no it's - actually planetary nebula NGC 3242. ... NGC 3242 is such a planetary nebula, with the stellar remnant white dwarf star visible at the center. This nebula is sometimes called "The Ghost of Jupiter" for its similar appearance to the familiar planet. ... 2007 . ... Publications with keywords: planetary nebula . Publications with words: planetary nebula . ...

... March 31, 1997 . NGC 3242: The 'Ghost of Jupiter' Planetary Nebula . ... WFPC2 , HST , NASA . Explanation : It's a weed , it's Jupiter , no it's - actually planetary nebula NGC 3242. ... NGC 3242 is such a planetary nebula, with the stellar remnant white dwarf star visible at the center. This nebula is sometimes called "The Ghost of Jupiter" for its similar appearance to the familiar planet. NGC 3242 is much farther away however, than the measly 40 light-minutes distance to Jupiter . ...

... Tonight's Sky . ... The Magazine . ... Observing . ... 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 . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... les plus belles images de l'Univers d†йcrypt†йes pour vous . ... 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 Les ast†йro†пdes percutent Jupiter plus souvent que pr†йvu . ... Sur Terre, une collision avec un ast†йro†пde d'environ 10m de diam†иtre a lieu en moyenne une fois tous les dix ans. ... Etat du ciel . ...

... GSAOI Home . ... Science . ... Deep imaging at J , H , and K is required to identify all stellar objects, brown dwarfs, and planetary mass objects in the central region of the Orion Nebula Cluster down to masses comparable to that of Jupiter. This is required to establish the initial mass function, i.e., the number of stars of each mass that have formed, in this region of intense massive star formation. ... The fields of the GSAOI detectors are shown as four green squares in each frame. ...

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

home publications > mercury . ... ASP Conference Series . ... Cover Story: The Nebula in Our Own Backyard . ... A giant torus of charged particles surrounding Jupiter gives astronomers a chance to study a nebula up close. by Duane H. Pontius, Jr., ... In this article, Duane Pontius traces the nebula's origin to Jupiter's volcanic moon Io. ... At the end of the article, Pontius explores how studying the Io plasma torus will help astronomers understand what's happening in more distant realms. home | ...

I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...

... STScI-PRC98-11A STARING INTO THE WINDS OF DESTRUCTION: HST/NICMOS