Alpha Centauri is the closest star system to the Solar System. Image released Oct. 17, 2012. (Image credit: ESO/Digitized Sky Survey 2) An alien planet discovered around a star in the Alpha Centauri system, the nearest to our own sun, has astronomers buzzing, and not just because it'...
题目Which star is closest to our solar system? A. Sirius B. Proxima Centauri C. Vega D. Betelgeuse 相关知识点: 试题来源: 解析 B。解析:A选项,Sirius(天狼星)是夜空中很亮的恒星,但不是离太阳系最近的恒星。B选项,Proxima Centauri(比邻星)是离太阳系最近的恒星,该选项正确。C选项,Vega(织女星)...
This is the closest known encounter of a star to our solar system with a well-constrained distance and velocity. Previous work suggests that flybys within 0.25 pc occur infrequently ($\\\sim$0.1 Myr$^{-1}$). We show that given the low mass and high velocity of the binary system, the...
Which planet in our solar system is closest to the sun? Which planet is the sun? 相关知识点: 试题来源: 解析 距离太阳最近的行星是水星。太阳是太阳系的中心恒星,而不是行星。 太阳系中距离太阳最近的行星是水星。太阳是太阳系的中心恒星,它不是行星,而是为太阳系提供光和热的能量源。 反馈 收藏 ...
Solar System - Mercury. It is the smallest and closest to the Sun of the eight planets in the Solar System with an orbital period of about 88 Earth days. Elements of this image furnished by NASA.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含
(1)推理判断题。根据Our solar system is in space.It is mainly made up of the sun and the eight planets that travel around the sun .The solar system also has moons and other space objects(物体).(我们的太阳系在太空中。它主要由太阳和围绕太阳运行的八颗行
百度试题 结果1 题目Among the eight planets of solar system,is the closest to the Sun. A. Mercury(水星) B. Venus(金星) C. Mars (火星) D. Jupiter(木星) 相关知识点: 试题来源: 解析 A 反馈 收藏
Of the eight planets in the solar system, Mercury is theclosest planet to the sun. It is also the smallest planet only slightly larger than our moon. Despite being the smallest planet with a mean diameter of 3,032 miles (4,879 km), Mercury is the second densest planet. ...
The moon is our closest neighbor in the solar system.I can't shine.The Fun Fact: The moon does not make its own The moon shines brightly.light. The moon gets light from the sun.I seem to change my shape.Sometimes the sun lights one side of the The Fun Fact: As the moon goes ...
1,000 light-years is so close that astronomers say the two stars that dance around the black hole can be seen with the naked eye on a clear night in the Southern Hemisphere. The stellar system is the first of its kind to be visible in this way. ...