Sentences with phrase «erased by the solar system»
In that sense, the researchers say, the moon is unique: Its craters are constantly erased by the solar system's most relentless volcanic activity — 25 times more frequent than that seen on Earth — which adds an estimated 1 centimeter of fresh material to Io's surface each year.
http://www.sciencemag.org/ Not exact matches
Even on modern - day Mars, a planet far more inert than Earth, many of the answers we might seek to our solar system's deepest mysteries have been erased by the slow workings of geology.
By drilling into a circular ridge inside the 180 - kilometer - wide crater rim, researchers also hope to nail down the processes that form «peak rings»: hallmarks of the largest impact craters, which planetary scientists have seen elsewhere in the solar system but which erosion has erased from other big craters on Earth.