Which of These Age Ranges Best Describes the Lunar Maria

By Ra_Krystal324 11 May, 2022 Post a Comment

Which of these age ranges best describes the lunar maria. The Lunar Surface Material.

Chapter 4 The Moon

39 - 32 billion years.

. Impact OR giant impact. Which of the following best describes the lunar maria. The release of heat from large impacts caused extensive melting and extrusion of basaltic lavas on the moon.

The rate of cratering in the lunar highlands shows us that A most of the asteroids must have hit the. Which of these is not a result of plate tectonics. They are the oldest part of the lunar surface.

The maria and the highlands. Which of these age ranges best describes the lunar maria. Quickly memorize the terms phrases and much more.

Ages up to 46 billion years d. 39 - 32 billion years. Boyce and Johnson 1977 Comparing the.

The Moon is coverered with a gently rolling layer of powdery soil with scattered rocks that is called the. Interestingly astronomers found that the gravity of the moon fluctuated as one was. B the oldest rocks are at least as old as the mare but some craters are much younger.

The radiometric ages range from about 316 to 42 billion years old Ga whereas the youngest ages determined from crater counting are about 12 Ga. Relatively smooth flat plains on the Moon. Which of these age ranges best describes the lunar maria.

The major processes that heat the interiors of the terrestrial worlds are. The Moon has two distinct types of terrain. Which of these age ranges best describes the lunar maria.

C most of the asteroids must have hit the Moon not the Earth. In most places on the. TF The crust on the near side of the Moon is on average thinner than the crust on the far side due to our tidal pull on the Moon.

The remote dating of lunar maria has beenconducted by lunar researchers in the following ways. A they range from 46 - 44 billion years old on average. A 25 - 10 billion years B a few million years to present lava flows seen erupting C 39 - 32 billion years D 86 - 60 billion years E 100 - 65 million years.

The bulk density of the Moon is 34 gcc which is comparable to that of volcanic basaltic lavas on the Earth however the bulk density of the Earth is 55 gcc because of the dense ironnickel core. In noting that the Earth is differentiated we mean that. These dark areas are referred to as lunar maria which are basically land basins on the moon in varying sizes.

1 Heat deposited as the planets were built from planetesimals. C most of the asteroids must have hit the Moon not the Earth. The density increases as you descend downward toward the core.

The highlands and are heavily cratered c. B the oldest rocks are at least as old as the mare but some craters are much younger. The _____ Theory is now the most popular to explain the Moons origin.

It is the result of countless tiny impacts by small particles striking the Moon. The highlands and are thought to be the youngest features on the Moon b. The Grand Canyon Which of these age ranges best describes the lunar maria.

39 - 32 billion years. 3 heat released by radioactive decay. There are evidence that most large impact basins were excavated in the lunar surface mainly during the heavy bombardment of the inner solar system or lunar cataclysm occurred in the range of 41 to 38 billion years ago in the Early Imbrian epoch.

On the other hand most lunar mare basalts last from 38 until 32 billion years ago. Nevertheless the majority of mare basalts appear to have erupted between about 3 and 35 Ga. 61 The rate of cratering in the lunar highlands shows us that 61 ______ A they range from 46 - 44 billion years old on average.

Comparing total crater frequencies using the assumption that more heavily cratered maria are older Example. Wind-swept plains formed early in the Moons history 13. At what phase are the tides least noticeable.

On the image of the Moon below label the specified regions as either maria or highlands. The lunar maria or plains which were formed between 31 and 39 billion years ago are the youngest geologic units on the lunar surface except for more recent impact craters. 2 heat deposited as the planets underwent differentiation.

The ages of the mare basalts have been determined both by direct radiometric dating and by the technique of crater counting. A 86 - 60 billion years B 39 - 32 billion years C 25 - 10 billion years D 100 - 65 million years E a few million years to present lava ﬂows seen erupting 26. Scientists and astronomers placed the age they believe the basalts the youngest lunar rocks at 31 to 38 billion years ago.

The maria and are thought to be around 32 - 38 billion years old e. Which of these age ranges best describes the lunar maria. The maria and are thought to be old.

Why does the Moon have a layer of powdery soil on its surface. What is true of the lunar highlands. 39 - 32 billion years.

Astronomy Exam 3 Flashcards Quizlet