Uranius Tholus

Uranius Tholus is a volcano on Mars located in the Tharsis quadrangle at 26.52° north latitude and 262.43° east longitude. It is 61.4 kilometres (38 mi) across with an elevation of 4,290 metres (14,075 ft)[1] and was named after a classical albedo feature name.[2]

Uranius Tholus
2001 Mars Odyssey THEMIS mosaic of Uranius Tholus (upper volcano) and Ceraunius Tholus (lower volcano).
Feature typemountain
Coordinates26.52°N 262.43°E / 26.52; 262.43
Peak4,290 metres (14,075 ft)

Uranius Tholus is part of the Uranius group of volcanoes and lies north of the larger Ceraunius Tholus.

Volcanoes

Tharsis is a land of great volcanoes. Olympus Mons is the tallest known volcano. "Mons" is a term used for a large raised feature. "Tholus" is about the same, but smaller.

gollark: Wikipedia says that spider silk has a diameter of "2.5–4 μm", which I approximated to 3μm for convenience, so a strand has a 1.5μm radius. That means that its cross-sectional area (if we assume this long thing of spider silk is a cylinder) is (1.5e-6)², or ~7e-12. Wikipedia also says its density is about 1.3g/cm³, which is 1300kg/m³, and that the observable universe has a diameter of 93 billion light-years (8.8e26 meters). So multiply the length of the strand (the observable universe's diameter) by the density of spider silk by the cross-sectional area of the strand and you get 8e18 kg, while the atmosphere's mass is about 5e18 kg, so close enough really.
gollark: Okay, so by mass it actually seems roughly correct.
gollark: So, spider silk comes in *very* thin strands and is somewhat denser than water, interesting.
gollark: You do that, I'll try and find data on spider silk density.
gollark: Actually, this factoid does seem kind of dubious even if it's meant to say "mass"... hmm.

References
  1. Peter Grego (1 June 2012). Mars and How to Observe It. Springer. pp. 63. ISBN 978-1-4614-2302-7. Retrieved 10 September 2019.
  2. "Uranius Tholus". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.


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