Webrille, any of various valleys or trenches on the surface of the Moon. The term was introduced by early telescopic observers—probably by the German astronomer Johann Schröter about 1800—to denote such lunar features. The word rima (from Latin, “fissure”) is often used for the same kind of features. Rilles measure about 1–5 km (0.6–3 miles) wide and as much … WebHow to use crater in a sentence. the bowl-shaped depression around the orifice of a volcano; a depression formed by an impact (as of a meteorite)… See the full definition
Terrestrial Planets: Definition & facts Space
WebDec 15, 2024 · Meteoroids are objects in space that range in size from dust grains to small asteroids. Think of them as “space rocks." When meteoroids enter Earth’s atmosphere (or that of another planet, like Mars) at high … WebAn impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which … hellbender life cycle
Shaping the Planets: Impact Cratering - Lunar and …
WebApr 6, 2024 · In Astronomy, a crater refers to a kind of constellation that appears like a cup and can be found between the constellations of Hydra and Corvus. The name of this … WebDec 19, 2024 · The crater floors are mostly the areas of the lowest albedo (a measure of how reflective the surface is) and greatest red coloration. WebApr 11, 2024 · The slender spotted treefrog ( Litoria gracilis) and the Crater Mountain treehole frog ( Litoria naispela) were the only species where arboreal laying was confirmed, though the researchers suspect ... lakeland shop southport