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They are Seas. A long time ago when the Moon's core was still active, hot lava would rise from inside the Moon and fill these giant craters (they were called basins back before they were filled with lava). We of course call them seas today because, go figure, some kind of liquid filled them up (lava).

So they were basins before they were filled with lava and now they are called Seas because they were filled up.

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βˆ™ 14y ago
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βˆ™ 5mo ago

called lunar maria, which are large, flat areas on the Moon formed by ancient volcanic eruptions. They are darker and smoother than the surrounding highland areas due to their lower albedo, or reflectivity. The lunar maria are important features for understanding the geological history of the Moon.

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Q: The dark smooth plains of the moon are?
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The dark smooth plains on the moon are called?

The dark smooth plains on the moon are called lunar maria. They are vast, flat areas formed by ancient volcanic activity. Maria is the Latin word for "seas," as they were once believed to be bodies of water.


Dark areas on the moon that are smooth and that reflect little light are called?

The dark areas on the moon that are smooth and reflect little light are called maria. They are large basaltic plains formed by ancient volcanic activity on the moon's surface.


Where are seas on the moon?

There are no seas on the moon. The moon's surface is mostly covered by craters, mountains, and plains, but no bodies of water like seas or oceans. The dark areas on the moon that look smooth from Earth are actually large plains of solidified lava called maria.


What does maria means?

this means that there is a preferably dark spot on the moon or seas of the moon or plains on the moon


What is a moons maria?

A moon's maria refers to large basaltic plains on the surface of some moons, particularly those of the gas giants in our solar system. These plains are formed by ancient volcanic activity and appear as dark, smooth areas on the moon's surface.


These are broad flat lava plains on the moon?

They are called lunar maria, formed by ancient volcanic eruptions that flooded the surface with basaltic lava. These smooth, dark areas contrast with the rugged, bright highlands on the moon.


What is another name for the ancient lava flows on the Moon?

The ancient lava flows on the Moon are often referred to as lunar maria. These features are dark, smooth plains created by volcanic activity early in the Moon's history.


What did the Maria on the moon form from?

The Maria on the moon formed from ancient volcanic activity that occurred billions of years ago. These dark, smooth plains are made up of basaltic rock resulting from lava flows.


Galileo called the dark flat parts on the moon what?

Galileo called the dark flat parts on the moon "seas" or "maria" in Latin, although they are now known to be basaltic plains formed by ancient volcanic activity.


What was formed when lava flowed over Moon's surface?

When lava flowed over the Moon's surface, it formed vast plains known as maria. These are flat, dark areas that were created by ancient volcanic activity on the Moon. The lava flows filled in large impact basins, creating the smooth, dark patches we see on the lunar surface.


Where are the dark plains called the ocean of storms?

moon


What formed when ancient lava reaches the moon and filled its craters?

When ancient lava reached the moon and filled its craters, it formed dark, flat plains known as lunar maria. These maria were created by volcanic activity billions of years ago and are large, smooth areas visible on the moon's surface.