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Earth and Mars – can they be compared?

The largest shield volcanoes on Earth and Mars are exactly on the same latitude (18.6°N). Mauna Loa, Loihi and other volcanoes of Hawaii and the huge Olympus on Mars are found there. Let us compare the planets accordingly:

Earth and Mars (Hawaii and Olympus)

I got this map of Mars from http://mapgame.wikia.com/wiki/File:Mars_map.jpg

Of course this is an indication that Earth and Mars have hot spots formed in an identical way. Planets should have a tendency to form the same kind of convection rolls system.

This comparison fits also quite clearly for Ascraeus Mons, another shield volcano on the next convection rolls division line east of Olympus. Anyway, someone familiar with geology on the planet Mars could make this comparison.

white space ship and brown planet
Photo by SpaceX on Pexels.com

If the convection cells systems for Earth and Mars are identical, the grid lines of longitude for Mars have been shifted about 22° to the east, as can be seen on the picture above.

To keep our feet on the ground, here is a picture from Hawaii. This also happened on Mars billions of years ago.

erupting lava during daytime
Photo by Pixabay on Pexels.com

 

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