根据第五段倒数第二句But over the past decade, it's become clear that planets are extremely common, outnumbering stars in the Milky Way. 但在过去的十年中,行星的数量已经变得非常多,甚至超过了银河系中的恒星数量。再根据第五段最后一句On average, nearly every star is home to at least one ...
NASA's James Webb Space Telescope could soon provide some answers about other planets in the far reaches of the Milky Way. Assistant astronomer at the Space Telescope Science Institute Néstor Espinoza speaks with CBS News anchor Lana Zak about the what scientists hope to learn from these other ...
“Rare Earth”– describes circumstance where Earth-like planets are extremely uncommon in the Milky Way and therefore the universe. If Earth-like planets are so rare that the Earth is the only Earth-like planet in the Milky Way, then Earth-like planets are rare in the universe. “Abundant ...
The beauty and the charm of the Milky May (MW) have been celebrated by countless poets and writers of many Countries along the centuries (see e.g. the beautiful anthology of Piero Boitani 2012 ). The
Kepler assigned the various tones in music to the various planets, one issuing from each of the spheres: the bass from Saturn and Jupiter, the tenor from Mars, the contralto from Venus, and the soprano from Mercury. The conception of the Milky Way as a pathway always and everywhere has be...
Scientists now estimate that there are as many as 50 billion planets in our own Milky Way galaxy, reports theAP. More interesting, 500 million of them may be in zones where life could exist. These numbers come, of course, from NASA’s Kepler telescope, which was launched specifically for ...
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...
二、选择型阅读理解(10分)Our Milky Way Galaxy may be home to at least 2 billion planets that have the right con-ditions to support life. These planets have the correct temperature for liquid(液体的) water.While no one knows what aliens would look like,if it is anything like life on the...
HOUSTON, Feb. 2 (Xinhua) -- A University of Oklahoma astrophysics team has discovered a population of planets beyond the Milky Way galaxy. Using microlensing -- an astronomical phenomenon and the only known method capable of discovering planets at great distances from the Earth -- the researcher...
Gravitational microlensing, on the other hand, probes planets that are further away from their stars. Recently, a population of planets that are unbound or very far from their stars was discovered by microlensing. These planets are at least as numerous as the stars in the Milky Way. Here ...