单词:orbital astronomical observatory
单词:orbital astronomical observatory 相关文章
IN THE NEWS - Pluto and Dark Matter Both Star in a Busy Week for AstronomersBy Brianna Blake Broadcast: Saturday, August 26, 2006 This is IN THE NEWS in VOA Special English. Pluto compared to other so
THIS IS AMERICA - Naval Observatory in Washington By Jill Moss Broadcast: September 23, 2002 VOICE ONE: The United States Naval Observatory performs an important scientific duty for the United States,
Four months after the historic first-ever detection of gravitational waves, scientists said they have directly detected another gravitational wave washing over the Earth. 在引力波历史性的首次检测到四个月之后,科学家们近日表示
Friday, March 20, will see an astronomical triple play when a rare total solar eclipse occurs on the same day as the vernal equinox, and a supermoon makes an appearance.本周五(3月20日)将上演天文现象三合一:春分当天发生日全食
They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi
The few craters that remained evident on Earth (most had been eroded away) were generally attributed to other causes or treated as fluky rarities. 一般来说,地球上仅有的几个明显的坑(大多数已经被侵蚀干净)要么被归于别的原