Astronomers find oldest, most distant planet ever discovered
New clues from the day the dinosaurs died. A mysterious ancient human tooth. Primordial galaxies. See how the past year expanded our knowledge of the cosmos and our own backyard.
Space-time breakthroughs. Virgin births. A promising candidate for alien life. Science didn’t disappoint during our latest revolution around the sun.
The Kepler space telescope was retired in 2018 having discovered more than 2,600 exoplanets. Discovering the first true "alien Earth" is a long-held dream of astronomers — and recent exoplanet discoveries have shown that small, rocky worlds like our own are abundant in our galaxy. Related ...
解析 正确答案:() 解析:科学家称,一颗由美国宇航局开普勒太空望远镜发现的太阳系外行星是迄今类似地球的最佳候选者。[解析] 这里需要注意的是“alien planet”。“alien”有外星人的意思,但是在这里取的是与太阳系“相异的”这层含义,在这里指的并不是外星人的星球,而是“太阳系外的星球”。 反馈 收藏 ...
A Galactic census of pulsars with the SKA will discover most of the active pulsars in the Galaxy beamed toward us. The sheer number of pulsars discovered, ... JM Cordes,M Kramer,DC Backer,... - Bulletin of the American Astronomical Society 被引量: 164发表: 2005年 ...
单项选择题Most of the 33 newly discovered planets' giant gas bags swing so erratically that they create havoc on any smaller, nearby, life-friendly planets. A.destructionB.benefitsC.chaosD.violence 点击查看答案&解析 延伸阅读 你可能感兴趣的试题 1.单项选择题She actually preferred a more ...
atmosphere is much thicker than that of the Earth, which makes it(2)___for modem scientists to study. There is(3)___we still do not know about what this planet is like. However, using special machines, scientists have(4)___many of the long-hidden secrets in recent years. Venus...
New Sun Discovered Scientists also described another recent discovery: Kepler-69. Its the sun most like our own that weve found that has a planet orbiting in the habitable zone, said study leader Thomas Barclay, a Kepler scientist at the Bay Area Environmental Research Institute in Sonoma, ...
Most of us learn at primary school that there are seven continents, but the next generation ofkids may be a 1 one more to that list.According to a recent paper published in the Geological Society of American Journal by agroup of researchers, “Zealandia" is a new continent that's hidden...