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Collection:
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NASA Planetary Photo Journal Collection
Collection
NASA Planetary Photo Journal Collection
Collection
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Title:
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Ariel's Densely Pitted Surface
Title
Ariel's Densely Pitted Surface
Title
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Original Caption Released with Image:
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This mosaic of the four highest-resolution images of Ariel represents the most detailed Voyager 2 picture of this satellite of Uranus. The images were taken through the clear filter of Voyager's narrow-angle camera on Jan. 24, 1986, at a distance of about 130,000 kilometers (80,000 miles). Ariel is about 1,200 km (750 mi) in diameter; the resolution here is 2.4 km (1.5 mi). Much of Ariel's surface is densely pitted with craters 5 to 10 km (3 to 6 mi) across. These craters are close to the threshold of detection in this picture. Numerous valleys and fault scarps crisscross the highly pitted terrain. Voyager scientists believe the valleys have formed over down-dropped fault blocks (graben); apparently, extensive faulting has occurred as a result of expansion and stretching of Ariel's crust. The largest fault valleys, near the terminator at right, as well as a smooth region near the center of this image, have been partly filled with deposits that are younger and less heavily cratered than the pitted terrain. Narrow, somewhat sinuous scarps and valleys have been formed, in turn, in these young deposits. It is not yet clear whether these sinuous features have been formed by faulting or by the flow of fluids.
JPL manages the Voyager project for NASA's Office of Space Science.
Original_Caption_Rel eased_with_Image
This mosaic of the four highest-resolution images of Ariel represents the most detailed Voyager 2 picture of this satellite of Uranus. The images were taken through the clear filter of Voyager's narrow-angle camera on Jan. 24, 1986, at a distance of about 130,000 kilometers (80,000 miles). Ariel is about 1,200 km (750 mi) in diameter; the resolution here is 2.4 km (1.5 mi). Much of Ariel's surface is densely pitted with craters 5 to 10 km (3 to 6 mi) across. These craters are close to the threshold of detection in this picture. Numerous valleys and fault scarps crisscross the highly pitted terrain. Voyager scientists believe the valleys have formed over down-dropped fault blocks (graben); apparently, extensive faulting has occurred as a result of expansion and stretching of Ariel's crust. The largest fault valleys, near the terminator at right, as well as a smooth region near the center of this image, have been partly filled with deposits that are younger and less heavily cratered than the pitted terrain. Narrow, somewhat sinuous scarps and valleys have been formed, in turn, in these young deposits. It is not yet clear whether these sinuous features have been formed by faulting or by the flow of fluids.
JPL manages the Voyager project for NASA's Office of Space Science.
Original Caption Released with Image
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Addition Date:
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1999-05-08
Addition_Date
1999-05-08
Addition Date
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Produced By:
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JPL
Produced_By
JPL
Produced By
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Mission:
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Voyager
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Spacecraft:
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Voyager 2
Spacecraft
Voyager 2
Spacecraft
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Target Name:
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Ariel
Target_Name
Ariel
Target Name
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Is a satellite of:
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Uranus
Is_a_satellite_of
Uranus
Is a satellite of
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Product Size:
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1330 samples x 1508 lines
Product_Size
1330 samples x 1508 lines
Product Size
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Primary Data Set:
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Voyager EDRs
Primary_Data_Set
Voyager EDRs
Primary Data Set
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Producer ID:
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P29520
Producer_ID
P29520
Producer ID
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facet_what:
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Voyager
facet_what
Voyager
facet_what
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facet_what:
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Voyager 2
facet_what
Voyager 2
facet_what
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facet_what:
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Uranus
facet_what
Uranus
facet_what
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facet_what:
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Ariel
facet_what
Ariel
facet_what
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facet_where:
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Uranus
facet_where
Uranus
facet_where
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facet_where:
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Ariel
facet_where
Ariel
facet_where
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facet_where:
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Jet Propulsion Laboratory (JPL)
facet_where
Jet Propulsion Laboratory (JPL)
facet_where
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Image #:
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PIA01534
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UID:
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SPD-PHOTJ-PIA01534
UID
SPD-PHOTJ-PIA01534
UID
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orignial url:
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orignial_url
orignial url
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