Erebus is a
crater lying situated within the
Margaritifer Sinus quadrangle
The Margaritifer Sinus quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Margaritifer Sinus quadrangle is also referred to as MC-19 (Mars Chart-19) ...
(MC-19) region of the planet
Mars
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury. In the English language, Mars is named for the Roman god of war. Mars is a terrestrial planet with a thin at ...
, this extraterrestrial geological feature was visited by the
''Opportunity'' rover on the way to the much larger crater
Victoria
Victoria most commonly refers to:
* Victoria (Australia), a state of the Commonwealth of Australia
* Victoria, British Columbia, provincial capital of British Columbia, Canada
* Victoria (mythology), Roman goddess of Victory
* Victoria, Seychelle ...
. It is named after the polar exploration vessel
HMS ''Erebus'' which was used by
James Clark Ross
Sir James Clark Ross (15 April 1800 – 3 April 1862) was a British Royal Navy officer and polar explorer known for his explorations of the Arctic, participating in two expeditions led by his uncle John Ross, and four led by William Edwa ...
in 1841 to discover the ''Great Ice Barrier'', now known as the
Ross Ice Shelf. The rover was in the immediate vicinity of the crater from approximately
sol 550 to 750 (October 2005 to March 2006).
This crater features two other minor named outcrops on the edges of this topographical depression. These include
Payson Ridge and
Olympia Ridge (see gallery below).
Erebus is located roughly south of the much smaller crater
Vostok Vostok refers to east in Russian but may also refer to:
Spaceflight
* Vostok programme, Soviet human spaceflight project
* Vostok (spacecraft), a type of spacecraft built by the Soviet Union
* Vostok (rocket family), family of rockets derived from ...
, which was previously visited by ''Opportunity''. It is surrounded by what scientists are describing as "etched terrain", a region where rocks peek out from under the sand of
Meridiani Planum
The Meridiani Planum (alternately Meridiani plain, Meridiani plains, Terra Meridiani, or Terra Meridiani plains) is either a large plain straddling the equator of Mars and covered with a vast number of spherules containing a lot of iron oxide or ...
.
Erebus is about wide, twice as large as the crater
Endurance
Endurance (also related to sufferance, resilience, constitution, fortitude, and hardiness) is the ability of an organism to exert itself and remain active for a long period of time, as well as its ability to resist, withstand, recover from an ...
. However, it is very old and eroded, and is barely visible from the ground; it appears merely as a number of flat rocky outcrops encircling a region of
dunes.
File:Payson Ridge, Erebus Crater, Mars Opportunity Rover.jpg, An outcrop named "Payson", on the western edge of Erebus.
Image:PIA03621-Opportunity Rover-Olympia Panorama.jpg, "Olympia" outcrop on northwestern margin of Erebus
Image:Erebus 360 L257atc-B652R1.jpg, Color panorama taken by ''Opportunity'' on the rim of Erebus. The crater itself can be seen in the center of the pan, at the top.
See also
*
Geography of Mars
Areography, also known as the geography of Mars, is a subfield of planetary science that entails the delineation and characterization of regions on Mars. Areography is mainly focused on what is called physical geography on Earth; that is the di ...
*
List of craters on Mars
External links and further reading
*
*
Structure and Sedimentology of the Western Margin of Erebus Crater, Meridiani Planum, MarsErebrus and Victoria by Mars Express HRSC + SRC
{{DEFAULTSORT:Erebus (Crater)
Impact craters on Mars
Margaritifer Sinus quadrangle