While we do not yet have a wholly complete answer, a consensus has arisen about the most likely series of events that led to the present-day system of the Sun and planets. A key piece of evidence about the origin of the solar system is that all the planets orbit the Sun in the same...
【解析】原词出现在第二段第二句As long ago as the eighteenth century, German philosopher Immanuel Kant and French scientist Pierre-Simon de Laplace independently suggested that this state of affairs could not be a coincidence, 早在 18 世纪，德国哲学家康德和法国科学家皮埃尔-西蒙德拉普拉斯分别独立...
12.Which of the following can be inferred from paragraph 6 about the formation of the solar system? A. The Sun was already billions of years old when the planets were formed. B. The planets closest to the Sun formed first. C. Meteorites entered the solar system sometime after the planets...
04:57 点对点托福背景知识-Astronomy-TOP5L2 Tour of the Moon 04:45 点对点托福背景知识-Astronomy-TOP3L4 Spectroscopy 01:05 托福背景知识-天文学8-The Formation of the Milky Way Galaxy 06:03 托福背景知识-天文学9-The Formation of the Solar System 11:09 同辈...
In the early solar system, about 4.5 billion years ago, a protoplanet named Theia collided with the early Earth, resulting in the formation of our Moon. This theory, known as the Giant Impact Hypothesis, was first proposed in the 1970s and has since become widely accepted by scientists. Ac...
Well, there’s two theories, but first let’s recap. We believe our solar system began as a huge spinning cloud of dust and gas, which flattened and eventually collapsed in on itself. The matter at the center condensed into a ball of hot gas and dust, eventually becoming our Sun. And...
We believe our solar system began as a huge spinning cloud of dust and gas, which flattened and eventually collapsed in on itself. The matter it's centered condensed into a ball of hot gas and dust, eventually becoming our sun. And what happened to the remaining cloud?To the disk enci...
A . To compare the composition of the Moon with the composition of Earth B . To explain the significance of moon samples obtained by Apollo astronauts C . To discuss theories about the early development of the solar system D . To discuss problems with explanations for the origin of the Moon...
B . To explain the significance of moon samples obtained by Apollo astronauts C . To discuss theories about the early development of the solar system D . To discuss problems with explanations for the origin of the Moon 查看解析
The Beginning of Planet Formation The four innermost planets of our solar system-Mercury, Venus, Earth, and Mars-are terrestrial, or rocky. planets. The beginning of their creation process occurred when the cloud of leftover material from the formation of the Sun settled into disc around the ...