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I think Mars is bigger than Earths moon.
Mars is approximately 1/2 the diameter of Earth and since it is less massive than Earth, it has only 38% of Earth's gravity.
longer
takes longer to orbit the sun
: Why do astronomers conclude that the crust on Mars must be thicker then Earth's crust?
because mars is a lot smaller than the earth (mars is about the same size as the earth) it is said that the interior of mars has cooled. Therefore convection of the asthenosphere is not possible and continental drift does not occur. We think the earth is headed in the same direction as mars and the earths interior will eventually cool to a solid.
I think Mars is bigger than Earths moon.
No.
Mars is approximately 1/2 the diameter of Earth and since it is less massive than Earth, it has only 38% of Earth's gravity.
because mars has more of the extreme gases there than on earth..i belive:)
longer
takes longer to orbit the sun
Mars has an atmosphere but it is much thinner than earths. It's mainly carbon dioxide gas (95%).
: Why do astronomers conclude that the crust on Mars must be thicker then Earth's crust?
Earth's surface is free to radiate heat into space. The interior is not. The interior does transfer heat the the surface, but rather slowly. It is hot due to residual heat from Earth's formation and from the heat generated by the decay of radioactive elements.
Mars is farther than earth. Mars is colder.
This question doesn't really make sense but the temperature on Mars is different than Earth's temperature because it is much closer to the Sun than Mars