Lêer:PIA02142_Tempel_1_bottom_sharped.jpg
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Oorspronklike lêer (1 600 × 1 600 piksels, lêergrootte: 420 KG, MIME-tipe: image/jpeg)
Hierdie lêer kom vanaf Wikimedia Commons en kan ook in ander projekte gebruik word. Die beskrywing op die lêer se inligtingsblad word hieronder weergegee.
Opsomming
BeskrywingPIA02142 Tempel 1 bottom sharped.jpg |
This image shows comet Tempel 1 before Deep Impact's probe smashed into its surface. It is a composite of images taken by the probe's impactor targeting sensor. The Sun is to the right of the image and reveals terrain varying in brightness by a factor of two. Shadows and bright areas indicate surface topography. Smooth regions with no features (lower left and upper right) are probably younger than rougher areas with circular features, which are probably impact craters. The probe crashed between the two dark-rimmed craters near the center and bottom of the comet. The comet nucleus is estimated to be about 5 kilometers (3.1 miles) across and 7 (4.3 miles) kilometers tall. This composite image was built up from scaling all images to 5 meters/pixel, and aligning images to fixed points. Each image at closer range, replaced equivalent locations observed at a greater distance. The impact site has the highest resolution because images were acquired until about 4 sec from impact or a few meters from the surface. In the annotated version (see "Other versions" below), arrows a and b point to large, smooth regions. The impact site is indicated by the third large arrow. Small arrows highlight a scarp that is bright due to illumination angle, which shows the smooth area to be elevated above the extremely rough terrain. The scale bar is 1 km and the two arrows above the nucleus point to the sun and the rotational axis of the nucleus. Celestial north is near the rotational pole. The original NASA image has been modified by cropping, and by sharpening of the lower 640 pixels. |
Datum | |
Bron | http://photojournal.jpl.nasa.gov/catalog/PIA02142 |
Outeur | NASA / Jet Propulsion Laboratory / University of Maryland |
Ander weergawes | File:PIA02142 annotated.jpg - annotated version |
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA02142. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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Lisensiëring
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
Warnings:
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Items portrayed in this file
uitbeelding
4 Julie 2005
Lêergeskiedenis
Klik op die datum/tyd om te sien hoe die lêer destyds gelyk het.
Datum/Tyd | Duimnael | Dimensies | Gebruiker | Opmerking | |
---|---|---|---|---|---|
huidig | 18:52, 21 Februarie 2011 | 1 600 × 1 600 (420 KG) | WolfmanSF | Reduce sharpened area to bottom 640 pixels, and reduce radius of sharpening to 0.4 pixels. | |
17:32, 17 Februarie 2011 | 1 600 × 1 600 (409 KG) | WolfmanSF | {{Information |Description=This image shows comet Tempel 1 before Deep Impact's probe smashed into its surface. It is a composite of images taken by the probe's impactor targeting sensor. The Sun is to the right of the image and reveals terrain varying in |
Lêergebruik
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Metadata
Die lêer bevat aanvullende inligting wat moontlik deur 'n digitale kamera of skandeerder bygevoeg is.
As die lêer verander is, sal sekere inligting dalk nie meer ooreenkom met dié van die gewysigde lêer nie.
Beeldtitel | converted PNM file |
---|---|
Breedte | 1 600 px |
Hoogte | 1 600 px |
Grepe per komponent | 8 |
Kompressiemetode | Ongekompakteerd |
Piksel-komposisie | Black and white (Black is 0) |
Oriëntasie | Normaal |
Aantal komponente | 1 |
Horisontale resolusie | 72 dpi |
Vertikale resolusie | 72 dpi |
Sagteware gebruik | Adobe Photoshop Elements 6.0 Macintosh |
Tydstip laaste lêerwysiging | 10:36, 21 Februarie 2011 |
Kleurruimte | Nie gekalibreer |