百度试题 结果1 题目The planets move around the Sun ___ elliptical orbits. A. in B. on C. at D. with 相关知识点: 试题来源: 解析 A。“在……轨道上”用“in...orbits”。反馈 收藏
only the law of inertia C. only the gravitational force D. magnetic force 相关知识点: 试题来源: 解析 A。原因:文章提到 The planets in our solar system move in elliptical orbits around the sun because of the balance between the gravitational force and their inertia....
Kepler's laws of planetary motion helped humans understand that planets move in ___. A. straight lines B. random paths C. elliptical orbits D. circular orbits 相关知识点: 试题来源: 解析 C。解析:开普勒行星运动定律帮助人类认识到行星是沿椭圆轨道运动的,而不是直线、随机路径或者圆形轨道。这一发...
Kepler discovered that the planets move _. A. 听间十听间十in circular orbits听间十听间十 B. 基亲学众业际况间习律年基亲学众业际况间习律年in elliptical orbits基亲学众业际况间习律年基亲学众业际况间习律年 C. 便不其林便不其林randomly便不其林便不其林 D. 已机办共亲率老已机办...
The planets travel around the Sun in approximately elliptical orbits with the Sun at one focus, as shown below. (1)Show that the polar equation of the planets orbit can be written as r=(a(1-^2))((1-θ )). (2)Prove that the perihelion distance of any planet is a(1-), and the...
Kepler discovered that the planetsdo not move in circular orbits around the sun. In-stead, they travel in flattened orbits called ellipses.Mars' elliptical orbit is the cause of its unusualbrightening this year and its apparent large size.1. From the passage we can learn thatA. the sun and...
(A)theplanetsmoveinellipticalorbitsaroundthesun(B)allplanetsconnectedwiththesuninthesametime,sweepingthesamearea(C)theaveragedistanceoftheplanetfromthesunisaplanetatperihelionandapheliontothedistancebetweenthesunandthearithmeticalaverage(D)theaveragedistancebetweenMarsandearthisaboutthesameasthatofthesun,whichis...
Jupiter, Saturn, Rahu and Ketu. While you can observe the seven physical planets, Rahu, as well as Ketu, can be considered to be the off shadow planets. They are known as the two fragile places in the orbits of the Moon that cut through the elliptical orbit that runs around the Earth...
All the planets and dwarf planets, the rocky asteroids, and the icy bodies in the Kuiper belt move around the Sun inelliptical orbitsin the same direction that the Sun rotates. This motion is termed prograde, or direct, motion. Looking down on the system from a vantage point above Earth’...
The Movements of the Planets in the Night SkyThe Sun, Moon and planets are seen to move along a fairly narrow band of the night sky which passes through the twelve commonly-known zodiac constellations - namely Pisces (the Fishes), Aries (the Ram), Taurus (the Bull), Gemini (the Twins)...