WebThe large and relatively young lunar impact crater Tycho taken by the Hubble Space Telescope. [1] This is a list of named lunar craters. The large majority of these features … WebCovering almost the entire surface, it was created from the constant bombardment of micrometeorites on the Moon for the last 4.5 billion years. This violent birth, when combined with the lack of wind and rain, has made it sand-like, made up of tiny sharp particles that are abrasive to the touch.
ASTRONOMY: CH.7 THE MOON Flashcards Quizlet
WebNov 30, 2024 · The most famous crater on the moon is Copernicus, which is more than 400 kilometers in diameter and was created by an impact between two smaller moons about 3 billion years ago. ... Most of the craters on the moon were formed by impacts from small meteoroids or asteroids. The moon has no mountains or deep valleys, because it is not … score tf-idf
Chapter 21 - The Moon Flashcards Quizlet
WebMaria are the large, smooth, dark areas of the Moon's surface. They have few craters. This is a Latin word for "seas" (think of mare). These regions, like most of the Moon, are devoid of water. Interesting fact: Ancient observers would look onto the moon and would imagine the dark patches as oceans. This inspired poetic language - Maria, Mare ... WebMost craters seen on the Moon's (& Mercury's) surface were formed within the first ~ 1/2 billion years. What was known about the Moon before the space program? •Relative size of Moon - Aristarchus (3rd century B.C.) • study of lunar eclipses • Moon's diameter ~ 1/4 Earth's diameter - Ptolemy • measured parallax: dmoon = 0.273 dEarth = 3476 km WebThere are many craters on Mercury and the Moon because neither body has an atmosphere to vaporize the meteoroid before it reaches the body's surface. Describe the two types of seismic waves produced by earthquakes. P-waves travel through both solids and liquids. S-waves travel through solids only. Describe the Earth's structure. scoretfs.isbank