Berkas:Jupiter.Aurora.HST.UV.jpg

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Deutsch: Bild von ultraviolettem Polarlicht auf Jupiter, aufgenommen mit dem Space Telescope Imaging Spectrograph (STIS) des Weltraumteleskops Hubble der NASA. • STScI-PRC00-38

Helle Streifen und Tupfen sind verursacht durch magnetischen Flussröhren, die Jupiter mit seinen größten Monden verbindet:

  • Io: heller Streifen ganz links,
  • Ganymed: heller Tupfer unterhalb der Bildmitte,
  • Europa: Tupfer rechts dessen von Ganymed
English: This is a spectacular NASA Hubble Space Telescope close-up view of an electric-blue aurora that is eerily glowing one half billion miles away on the giant planet Jupiter. Auroras are curtains of light resulting from high-energy electrons racing along the planet's magnetic field into the upper atmosphere. The electrons excite atmospheric gases, causing them to glow. The image shows the main oval of the aurora, which is centered on the magnetic north pole, plus more diffuse emissions inside the polar cap.

Though the aurora resembles the same phenomenon that crowns Earth's polar regions, the Hubble image shows unique emissions from the magnetic "footprints" of three of Jupiter's largest moons. (These points are reached by following Jupiter's magnetic field from each satellite down to the planet).

Auroral footprints can be seen in this image from Io (along the left hand limb), Ganymede (near the center), and Europa (just below and to the right of Ganymede's auroral footprint). These emissions, produced by electric currents generated by the satellites, flow along Jupiter's magnetic field, bouncing in and out of the upper atmosphere. They are unlike anything seen on Earth.

This ultraviolet image of Jupiter was taken with the Hubble Space Telescope Imaging Spectrograph (STIS) on November 26, 1998. In this ultraviolet view, the aurora stands out clearly, but Jupiter's cloud structure is masked by haze. This image was taken in UV light at 140 nm.
Tanggal Diambil pada 26 November 1998
Sumber http://hubblesite.org/newscenter/archive/releases/2000/38/image/a/; see also https://www.spacetelescope.org/images/heic0009a/ and http://apod.gsfc.nasa.gov/apod/ap001219.html
Pembuat NASA, ESA & John T. Clarke (Univ. of Michigan)
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Gambar atau video ini telah dikatalogkan oleh salah satu pusat penelitian milik National Aeronautics and Space Administration (NASA)dibawah ID Foto: STScI-2000-38 AND ID Alternatif: heic0009a.

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Public domain Berkas ini berada dalam domain publik di Amerika Serikat karena semata-mata diciptakan oleh NASA. Kebijakan hak cipta NASA menyatakan bahwa "materi NASA tidak dilindungi oleh hak cipta kecuali dicatat". (Lihat Template:PD-USGov, Halaman kebijakan hak cipta NASA atau JPL Image Use Policy.)
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26 November 1998

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Tanggal/WaktuMiniaturDimensiPenggunaKomentar
terkini16 Februari 2017 01.14Miniatur versi sejak 16 Februari 2017 01.142.842 × 1.617 (503 KB)Geageafrom he.wiki --> https://he.wikipedia.org/wiki/%D7%A7%D7%95%D7%91%D7%A5:Satellite_Footprints_Seen_in_Jupiter_Aurora.jpg
16 September 2008 12.21Miniatur versi sejak 16 September 2008 12.21752 × 417 (290 KB)RupertMillardUploading higher quality version from: http://hubblesite.org/newscenter/archive/releases/2000/38/image/a/
16 September 2008 12.17Miniatur versi sejak 16 September 2008 12.17752 × 417 (290 KB)RupertMillard{{Information |Description= |Source= |Date= |Author= |Permission= |other_versions= }}
1 Januari 2007 23.44Miniatur versi sejak 1 Januari 2007 23.44789 × 451 (179 KB)Wdflake~commonswikiRemoved border and caption, as is the policy on enwiki
11 Agustus 2005 09.41Miniatur versi sejak 11 Agustus 2005 09.41800 × 514 (33 KB)Kurgus''NASA image of Jupiter aurora in UV, Hubble Space Telescope'' Bright streaks and dots are caused by magnetic flux tubes connecting Jupiter to its largest moons: * Io: bright streak on the far left * Ganymede: bright dot below center * Europa: dot right

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