File:Magellan - Balch crater mgn c130n279 1.gif

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摘要

描述
English: Magellan radar image of Balch Crater, Venus, originally designated Somerville Crater. This crater is one of the few examples of tectonically modified craters seen on Venus. The absence of such craters indicates a possible cessation of tectonic deformation on Venus at some point in history. Balch is located at 30° N, 283° W in Devana Chasma, Central Beta Regio. The crater was originally 37 kilometres in diameter. North is up. (Magellan C1-MIDR 30N279;1,framelet 30) 
Location & Time Information
Date/Time (UT): N/A
Distance/Range (km): 479.4
Central Latitude/Longitude (deg): +29.95/279.43
Orbit(s): 1859-1969

Imaging Information
Area or Feature Type: Crater, Rift
Instrument: Synthetic Aperture Radar
Instrument Resolution (pixels): 240 x 240, 8 bit
Instrument Field of View (deg): 2.1 x 2.5
Filter: N/A
Illumination Incidence Angle (deg): 39.1-44.4
Phase Angle (deg): 0
Instrument Look Direction: Left
Surface Emission Angle (deg): 39.1-44.4

Ordering Information
CD-ROM Volume: MG_0043
NASA Image ID number: C1-30N279;1
Other Image ID number: P-38741
NSSDC Data Set ID (Photo): 89-033B-01O
NSSDC Data Set ID (CD): 89-033B-01C
Other ID: N/A
来源 nssdc.gsfc.nasa.gov/imgcat/html/object page/mgn c130n279 1.html/
作者 Magellan Team (NASA - Jet Propulsion Laboratory)

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Public domain 本文件完全由NASA创作，在美国属于公有领域。根据NASA的版权方针，NASA的材料除非另有声明否则不受版权保护。（参见Template:PD-USGov/zh、NASA版权方针页面或JPL图片使用方针。）
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当前2007年12月9日 (日) 03:382007年12月9日 (日) 03:38版本的缩略图800 × 800（778 KB）Bryan Derksen{{Information |Description={{en|Magellan radar image of Balch Crater, Venus, originally designated Somerville Crater. This crater is one of the few examples of tectonically modified craters seen on Venus. The absence of such craters indicates a possible c

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