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 much closer to the star than Mercury is to our sun. Earth is 93 million miles (150 million km) from the sun. 40,000: The approximate number of years it would take an unmanned spacecraft like NASA's Voyager 1 probe now leaving our solar system to reach Alpha Centauri Bb. ...
Obviously, the top titleholder on this list is the central star of oursolar system: the Sun. Yes, it's a star and a very nice one at that. Astronomers call it a yellow dwarf star, and it has been around for about five billion years. It illuminates the Earth in the daytime and is...
James Webb Space Telescope’s first images of the Orion Nebula, the richest and closest star nursery to our solar system, have just been revealed by an international team of astronomers including University of Michigan (U-M) researchers.
And researchers already have their first lead. They believe another system, called LB-1, could also be a triple star system, but more observations are needed to confirm their suspicions. "By finding and studying them we can learn a lot about the formation and evolution of those rare stars ...
Scientists say they discovered an Earth-like planet orbiting (绕轨道飞行) the star closest to our planet other than the Sun. It is the closest planet ever found outside our solar system that could support life as we know it. The newly discovered planet is a little larger than the Earth....
根据"Scientists say they discovered an earth-like planet orbiting the star closest to our planet other than the sun. It is the closest planet ever found outside our solar system that could support life as we know it"可知 "A Neighboring Possible Earth-like Planet一个邻近的可能的类地行星" ...
The sun is in the center of the solar system.It is a hot and bright star.A star gives off heat and light.The sun is the closest star to the earth.That's why it looks different from other stars.Most stars look small.We can see them only at night because they'...
In 1998, a dust ring, perhaps similar to the cloud of comets surrounding our own solar system, was discovered around the very young star ε Eridani, now known as Ran. It has one detected planet named Aegir. Like many red dwarfs, Ross 128 is a flare star. The closest neighbour of Lacai...
Our planet sits in the solar system. Each star's system has its name after the star. IfAntares has a system, its name would be the Antares System.( )1. The sun has at leastof history.A. 4. 5 billion yearsB. 149 million yearsC. 149 billion yearsD. 4. 5 million years( )2. ...