Mare Erythraeum is a very large dark dusky region of
Mars
Mars is the fourth planet from the Sun. It is also known as the "Red Planet", because of its orange-red appearance. Mars is a desert-like rocky planet with a tenuous carbon dioxide () atmosphere. At the average surface level the atmosph ...
that can be viewed by even a small
telescope
A telescope is a device used to observe distant objects by their emission, Absorption (electromagnetic radiation), absorption, or Reflection (physics), reflection of electromagnetic radiation. Originally, it was an optical instrument using len ...
. Its name comes from the
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
for the
Erythraean Sea because it was originally thought to be a large sea of liquid water. It was included in
Percival Lowell's 1895
map of Mars.
[Lowell, Perciva]
"Mars"
(1895)

Under the name of De La Rue Ocean it was included in Procter's 1905 map of Mars.
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 ...
References
External links
Google Mars zoomable map centered on Mare Erythraeum
Albedo features on Mars
Margaritifer Sinus quadrangle
{{mars-stub