That's the core accretion theory. Now the other theory is called the disk instability theory. The disk instability theory holds that gas begins the planet-making process, without a solid core. You see, most of the outer accretion disk would've been gas. We believe solid particles probably ...
2.What does the core accretion theory predict based on the distance of planets from their sun? [Click on 2 answers] A. Their relative sizes B. Their approximate ages C. Their general composition D. Their gravitational effect on other planets 你的答案: 正确答案:AC 题目解析: 登录 后...
MALE PROFESSOR: Material, meaning gas.It would rapidly pull in more and more gas from the accretion disk, so you end up with a solid core of rock, metal and ice surrounded by massive amounts of gas.That's the core accretion theory.Now, the other theory is called the disk instability ...
In this lesson, learn about accretion disks, and how and why they form in our universe. Then discover the important role they play in the discovery...
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(intransitive) To grow gradually larger by accretion. Gather To bring parts of a whole closer. She gathered the shawl about her as she stepped into the cold. Gather (sewing) To add pleats or folds to a piece of cloth, normally to reduce its width. A gown should be gathered around the...
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The magnetic coupling between a star and its accretion disk may be sufficient to spin down low-mass pre-main sequence (PMS) stars to well below breakup at the end stage of their formation when the accretion rate is low. However, we show that these magnetic torques are insufficient to spin...
The researchers took samples from two areas of the lake: the southern main basin and near an embayment on the southwestern end of the lake. By sequencing the DNA and RNA taken from samples of accretion ice (frozen lake water attached to the bottom of the overriding glacier), the team disc...
What an area of space that does not follow the known laws of physics is called What is not one of the problems with the Big Bang Theory that the Cosmic Inflation Theory tried to solve A part of ancient space that is believed to have originated from the Big Bang ...