天文与地理2

meridian meteor meteorite meteorological meteorologist meteorology mine missile moist moisture moor mound mount mountainous muggy navigate oasis observatory orbit orbital ore orient panorama pasture peak pebble peninsula phase pinnacle pit planet planetary plateau polar pole porous prairie probe prospector puddle pump quarry quartz quasar rainbow rainfall ravine reef region reservoir ribbon ridge rotational rough satellite Saturn scrub seashore season sediment sedimentary seismic seismograph seismology shallow shear shore shower shuttle signal silica sinuous snowflake solar spacecraft spacial spew sphere spherical spring steep steer stellar stratigraphy stratum stream summit sunset swamp swampy tableland tectonic tectonics telescope temperate terrain terrestrial territory tide topography topsoil tornado torrent track trench tributary troposphere tropic tundra universe vacuum variation volcano weathering wintry wreck zone