Mudstone for silt (63 μm). On December 13, 2016, NASA reported further evidence supporting habitability on the planet Mars as the "Curiosity" rover climbed higher, studying younger layers, on Mount Sharp. Also reported, the very soluble element boron was detected for the first time on Mars. In June 2018, NASA reported that "Curiosity" had detected kerogen and other complex organic compounds from mudstone rocks approximately 3.5 billion years old. Mudstone Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds. Grain size is up to with individual grains too small to be distinguished without
Mission: Earth, Voyage to the Home Planet Mission: Earth, Voyage to the Home Planet Mission: Earth, Voyage to the Home Planet is a children's literature book by science writer June A. English and astronaut Thomas David Jones that was published in 1996 by Scholastic. Jones was among the crew members of the Space Shuttle "Endeavour" during an eleven-day mission in space, which was launched in April 1994 to study the ecological well-being of Earth using specialized radar technology. The book, which is illustrated with radar images and picturesque photographs, chronicles the mission and Jones' experiences of it. "Mission: Earth, Voyage to the Home Planet" received a generally