Sirius is known for being the brightest star in the night sky and is nearly twice as bright as the next brightest star, Canopus with a magnitude of -1.46. Sirius is also known as the ‘Dog star’ because it is part of the constellationCanis Major, which is Latin for “the greater dog...
A. Sirius is a red dwarf star. B. Sirius is closer to the Earth than most other stars, which makes it look so bright. C. Sirius is a white dwarf star. D. Sirius is a brown dwarf star. 相关知识点: 试题来源: 解析 B。解析:天狼星(Sirius)是夜空中最亮的恒星之一,它看起来很亮的一...
Sirius is still in the sky when Arcturus appears, though. It’s not until early April, when Sirius disappears, that Arcturus takes over and becomes the brightest star in the night sky. Vega Vega and surrounding stars through a telescope. Credit: Ade Ashford. Next is bright, blueish Vega ...
Sirius is a binary star system made up of two stars, Sirius A and Sirius B. Facts About Sirius:Sirius is a two-star system at a distance of 8.6 light-years from Earth. It consists of the main sequence star Sirius A and a smaller dwarf companion Sirius B. Sirius B is the closest ...
The Sun is the closest star to Earth; however, many other stars are visible at night. One of the brightest stars in the night sky is Sirius, two stars in a binary system, Sirius A and Sirius B. It appears so bright because it has a high luminosity and is relatively close to the so...
At 8.6 light-years away, Sirius is relatively close to Earth and the brightest star visible in the night sky. It is also large—nearly twice as big as our sun and 20 times as bright. So this winter, when the world turns cold and it seems like we should be spending more time indoors...
The Sun, the 12 brightest stars of the Northern Hemisphere and the white dwarf companion stars to Sirius and Procyon are shown. Photo courtesy of NASA In 1924, the astronomer A. S. Eddington showed that the luminosity and mass of a star were related. The larger a star (i.e., more...
a first-magnitude star in the constellation Canis Minor. [1650–60; < Latin < Greek Prokýōn=pro- pro-2 + kýōn dog (see hound); so called because it rises just before Sirius, the Dog Star] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright...
Is Canis Major part of a constellation? What is the bright star near the constellation Orion? What is the Andromeda constellation? Is Pegasus a constellation? What constellation is Arcturus in? Is Pisces a constellation? Is Sirius part of a constellation?
Canopus and Sirius.5. Which of the stars listed in the above table is the least bright star?a. Alpha Centauri. b. Procyon.c. Rigel.d. Vega. 答案 【解析】1.b 2.c 3.b 4.c 5.a相关推荐 1【题目】Stars of the Night SkyOn a clear night, you are able to see that the night sky...