Parga Chasmata (Venus)

Data as of 2026-10-23

What it is

Type
Chasma, chasmata
IAU definition

A deep, elongated, steep-sided depression

Diameter
11,000 km, 182 % of the radius of its body
Centre
20° S, 255° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1982
Origin of the name

Nenets (Samoyed) forest witch. (Feature extent expanded in 2001.)

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Parga Chasmata.

Observed by

Instruments whose footprint touches this formation, counted by the PDS Orbital Data Explorer (data frozen on September 29, 2026). A footprint that touches it is not a study of it.

Observed by
Mission and instrumentProductsFirstLast
Arecibo Observatory and National Radio Astronomy Observatory · Radio Telescope / Robert C. Byrd Green Bank Telescope15June 17, 1988May 30, 2020
Magellan · Radar System5,922February 10, 1991August 31, 1992
ESA's Venus Express · Visible and Infrared Thermal Imaging Spectrometer12,830May 14, 2006October 6, 2014
MESSENGER at Venus · MERCURY ATMOSPHERIC AND SURFACE COMPOSITION SPECTROMETER13April 15, 2007June 5, 2007
MESSENGER at Venus · Mercury Dual Imaging System - Wide Angle Camera527June 5, 2007June 5, 2007
MESSENGER at Venus · Mercury Dual Imaging System - Narrow Angle Camera273June 5, 2007June 5, 2007

Sources

International Astronomical Union Working Group for Planetary System Nomenclature, Gazetteer of Planetary Nomenclature, read on October 23, 2026. Feature page: https://planetarynames.wr.usgs.gov/Feature/4588

Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms

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