释义 |
Tycho
Tycho (ˈtaɪkəʊ) n (Astronomy) a relatively young crater in the SW quadrant of the moon, 4 km deep and 84 km in diameter, with a central peak. It is the centre of a conspicuous system of rays[named after Tycho Brahe]Tycho
Tycho (tÿ -koh) A very recent lunar crater, possibly only about 100 million years old; it is 100 km in diameter. Rays from the crater traverse much of the nearside of the Moon and are particularly striking at full Moon. The ejecta blanket was sampled by Surveyor 7, the only Surveyor to land in the highlands; some craters in the highland region of Taurus-Littrow may be secondaries of Tycho.Tycho[′tī·kō] (astronomy) A crater on the near side of the moon. |