A. Alpha Centauri B. Sirius C. Proxima Centauri D. Betelgeuse 相关知识点: 试题来源: 解析 C。本题考查对离地球最近的恒星的了解。The nearest star to the earth(离地球最近的恒星)is Proxima Centauri(比邻星)。Alpha Centauri(半人马座阿尔法星)、Sirius(天狼星)和 Betelgeuse(参宿四)都不是离地球最...
It takes that long for the light to get to 93.so we can see it. The 94.to our sun is Alpha Centauri. It is over 95.away. 相关知识点: 试题来源: 解析 (D)91. in one year 92. fastest 93. the / our earth 94. closes nearest star 95. 4 / four light years 反馈 收藏 ...
Alpha Centauri is also a multiple star system, consisting of two Sun-like stars and a smaller, dimmer star. Image of the Sun. What is an Average Star? Average stars are also known as intermediate-mass stars. These stars have lifetimes between 50 million and 20 billion years. These stars ...
At the distance of the nearest star, 1.3 pc, a star like the Sun, alpha Centauri, has never been detected. Now, with the sensitivity achieved by the interferometers like ATCA, it would be possible to detect and study the thermal and non thermal emission from both alpha Centauri A and B...
Related to Alpha Canis Minoris:Alpha Canis Majoris Pro·cy·on (prō′sē-ŏn′) n. A binary star in the constellation Canis Minor, approximately 11 light years from Earth. Also calledDog Star. [LatinProcyōn, from GreekProkuōn:pro-,before; seepro-2+kuōn,dog; seekwon-inIndo-European...
1英文翻译!The film is set in the year 2154,when humans are mining a precious mineral called unobtanium on the lush moon Pandora in the Alpha Centauri star system.The colonists' expansion threatens the continued existence of the Na'vi—a race of humanoids who are indigenous to Pandora—as wel...
It takes a long time for light to travel through space. It can be said that the night sky is not what it appears to be. The light from the stars that you see is really 3.___ years old. It took a long time for the light to get to the Earth.Alpha Centauri is the star closest...
What is a cepheid variable star? What is the distance between the Earth and the nearest star? What is the elliptical galaxy that is closest to the Milky Way? What three galaxies have the largest angular size? What is between the Oort cloud and Alpha Centauri?
Alpha Centauri: In the 1600s, through the use of advanced telescopes, astronomers discovered that the bright star known as Alpha Centauri was actually two stars similar to our sun locked in a binary star system. This means that Alpha Centauri A and Alpha Centauri B orbited one another. ...
The star closest to our sun is Alpha Centauri. It is more than four light-years away. If one traveled at the speed of light, he could make a round trip to Alpha Centauri in nine years. But, even at that speed, he could not reach Alcaid (北斗星) in the handle of the Big Dipper...