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)都不是离地球最近...
the star system can be of the same size and be of equal power so that they both orbit a central point, whereas, in the case of Sirius, Sirius B orbits around its larger neighbour. You cannot tell that by looking up at the star, and you would need visual aids such as binoculars or...
the staff work the standard of livin the standardized open the star of the morni the star of wisdom the starry sky in my the stars are crying the stars get red the stars were bright the state council min the state councils le the state-owned enter the static and dy the static silent ...
Sirius is the brightest star in the night sky during autumn, winter and early spring. To find Sirius, all you need to do is follow the line of Orion’s belt stars downward, toward the southeast - generally, toward the horizon - and there it is. Sirius also provides a nice astrophotograp...
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...
How Did The Dogon Tribe Know About Sirius B? Outrageous Astronomy – Who Was Behind The Great Moon Hoax of 1835? For one, there is evidence that the ancients followed the movement of planets in the night sky. The Egyptians used the rising of Venus as an astronomical marker to correct thei...
The word Sirius is derived from the Greek word for "glowing" or "scorching" and the star is twice as big as the sun. Sirius will appear brighter in the next 60,000 years, as it is gradually moving closer to the solar system and Earth....
stars with common names such as sirius, cursa, regulus and nunki are large stars that can be seen in the sky and have been known since the early days of astronomy. They were given star names when astronomy was in its infancy. Stars aren't given common names any more because there are...
From high-profile personalities and top sports stars to expert DJs who know music, SiriusXM has a truly eclectic mix of celebrity hosts!
Sirius is a hot, blue-white, A-class star located only 8.6 light-years from our sun. Its extreme brightness and its low position in the sky combine to produce spectacular flashes of various colors as it twinkles. A very large telescope may allow you to see Sirius B, a faint white ...