—How long do stars live? —How far apart are stars? —What's the oldest star in the universe? What about the youngest? So why has it been more than 400 years since one has been detected in our galaxy? Astronomers' best estimates are complicated by the Milky Way's shape and the den...
百度试题 结果1 题目How many stars are there in the Milky Way?相关知识点: 试题来源: 解析 Thirty billion stars.反馈 收藏
5、[解析] 关键词是Milky way和170,000。依据此关键词,可在文中第四段第一句找到相关叙述:“The new estimate of how many planets might fit these conditions comes from studying more than 42,000 stars and identifying suitable worlds orbiting them.”(对于有多少星球能满足这种条件的预估是基于对超过...
Milky Way Galaxy, large spiral system consisting of several hundred billionstars, one of which is theSun. It takes its name from the Milky Way, the irregularluminousband of stars and gas clouds that stretches across the sky as seen fromEarth. Although Earth lies well within the Milky Way Ga...
the Milky Way's stars, however, are tough to view. That is because the center of the galaxy has a galactic bulge filled with stars, gas and dust — as well as a supermassiveblack hole. Stuff in this region is so densely packed that even the most powerful telescopes cannot see through ...
H ave you ever looked at the Milky Way galaxy. The sun is stars in the night sky and just one of those 200 billion to 400 billion asked how many there are? If stars.so, you're not alone. People have If that blows your mind, just wait! Our been asking this question for a very...
called the Galaxy or the Milky Way. There are billions of stars in the Galaxy, and our sun is only one of them.Passage 1Scientists have also 5. discovered many other galaxies in photos discovered larger reach impossible the universe. They are very far away and their light has to universe...
The Milky Way is classified as what kind of galaxy? What did the Hubble Telescope find concerning Orion? How many galaxies has the Hubble Space Telescope spotted? What is a quasar in astronomy? What is a cepheid variable star? How far away can the Hubble Space Telescope detect galaxies?
Milky Way: Created by Vasilis Kekatos. With Korinna Dullaart, Konstantinos Georgopoulos, Nikos Zeginoglou, Andreas Konstantinou. Follows 17-year-old Maria, a high school senior with dreams of becoming a dancer, whose starry-eyed plans for the future are