NettetHow old are they? Lunar highlands are about 4.5 billion years old The youngest crater on the moon is about 4 years old it was seen on March 17, 2013 The oldest crater on the moon it about 2 billion years old which is Aitken basin Lunar maria is the flat part of the moon which is about 3.3 to 3.6 Nettet26. mai 2006 · The maria were formed after large impacts from meteors carved out basins in the lunar crust. When the Moon was volcanic, magma seeped to the surface, filled the basins and eventually hardened,...
Astro 103 Chapter 10 Flashcards Quizlet
Nettet18. des. 2024 · answered. How old are the lunar highlands? 1. 1.8 to 2.6 billion years old 2. 3.1 to 3.8 billion years old 3. 4.0 to 4.3 billion years old 4. less than 1 billion years old? Nettet21. feb. 2012 · On the basis of counts on TC images, we derived an absolute model age of ∼678 Ma (N cum (D ≥ 1 km) = 5.68 × 10 −4) for the Copernicus ejecta blanket, which is … knives out wer streamt
Lunar craters - Wikipedia
NettetLunar Maria (Seas) You can see a number of maria on International Observe the Moon Night. Once thought to be seas of water, these are actually large, flat plains of solidified basaltic lava. They can be viewed in binoculars or even with the unaided eye. Nettet16. nov. 2024 · The lunar maria (or plains), which were formed between 3.1 and 3.9 billion years ago, are the youngest geologic units on the lunar surface, except for more recent impact craters. The release of heat from large impacts caused extensive melting and extrusion of basaltic lavas on the moon. What are highlands on the Moon made of? Nettet21. feb. 2012 · [3] Stöffler and Ryder carefully reviewed the radiometric and exposure ages determined from returned samples; that is, they revisited the x axis of the lunar cratering chronology. Here, using images from the Lunar Reconnaissance Orbiter (LRO) Narrow Angle Cameras (NAC; 0.5 to 2.0 m/pixel) and Wide-angle Camera (WAC; ≤100 m/pixel) … red dragon ares