单词:near polar sun-synchronous orbit
单词:near polar sun-synchronous orbit 相关文章
Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang
嫦娥二号 Chang'e-2(moon probe) 神舟七号 Shenzhou VII (spacecraft) 载人飞船 manned spaceship/ spacecraft 载人航天 manned space flight 多人多天太空飞行 multi-manned and multi-day space flight 载人航天计划 manned space
载人飞船 manned spaceship/ spacecraft 载人航天 manned space flight 载人航天计划 manned space program 航天飞机 space shuttle 无人飞船 unmanned spaceship / spacecraft 试验太空船
LONDON, May 11 (Xinhua) -- A controversial steel tower was unveiled in the Olympic park of London on Friday, about two and a half months before opening of the Games, which was hoped to become of a new icon of the city and bring more visitors. The tow
The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting
BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,