surface reflectance
121Geology of Mercury — The surface of Mercury is dominated by impact craters, and lava plains similar in some respects to the lunar maria. Other notable features include scarps and mineral deposits (possibly ice) inside craters at the poles. Currently, the surface is… …
122(243) Ida — Pour les articles homonymes, voir Ida. (243) Ida …
123microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
124roads and highways — ▪ transportation Introduction traveled way on which people, animals, or wheeled vehicles move. In modern usage the term road describes a rural, lesser traveled way, while the word street denotes an urban roadway. Highway refers to a major… …
125Cloud — For other uses, see Cloud (disambiguation). Cumulus cloudscape over Swifts Creek, Australia A cloud …
126Phobos (moon) — Phobos Enhanced color view of Phobos obtained by Mars Reconnaissance Orbiter on March 23, 2008. Stickney crater, the largest, is on the right side. Discovery Discovered by …
127Mars Observer — Artist rendering of Mars Observer in orbit around Mars. Operator NASA / JPL …
128Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
