Noachis Terra
Encyclopedia
Noachis Terra is an extensive southern landmass
(terra) of the planet
Mars
. It lies west of the giant Hellas impact basin
, roughly between the latitudes −20° and −80° and longitudes 30° west and 30° east, centered on 45°S 350°E.
The term "Noachian epoch" is derived from this region.
Landmass
A landmass is a contiguous area of land surrounded by ocean. Although it may be most often written as one word to distinguish it from the usage "land mass"—the measure of land area—it is also used as two words.Landmasses include:*supercontinents...
(terra) of the planet
Planet
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.The term planet is ancient, with ties to history, science,...
Mars
Mars
Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the "Red Planet", as the iron oxide prevalent on its surface gives it a reddish appearance...
. It lies west of the giant Hellas impact basin
Hellas Planitia
Hellas Planitia, also known as the Hellas Impact Basin, is a huge, roughly circular impact basin located in the southern hemisphere of the planet Mars. It is the second or third largest impact crater and the largest visible impact crater known in the Solar System...
, roughly between the latitudes −20° and −80° and longitudes 30° west and 30° east, centered on 45°S 350°E.
The term "Noachian epoch" is derived from this region.