资讯

NASA’s X-59 supersonic demonstrator nears first flight, aiming to prove quiet supersonic travel and pave the way for overland ...
American space agency NASA is busy checking the safety systems and the procedures for the first flight of the X-59 supersonic ...
As NASA's one-of-a-kind X-59 quiet supersonic research aircraft approaches first flight, its team is mapping every step from ...
NASA's X-59 experimental quiet supersonic jet is to make the first flight, with safety informing every step from taxiing down the runway to landing. The first tests will be a closed low-altitude loop ...
NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," ...
New York/Washington: A decorated Indian-American Amit Kshatriya has been named as NASA’s new ‘exploration-focussed’ associate ...
FBI Director Kash Patel on Wednesday (September 17) faced a second day of questioning by U.S. lawmakers, defending his ...
NASA's X-59 supersonic aircraft is nearing its first flight after completing low-speed taxi tests, with medium- and high-speed tests to follow. Designed to produce quiet "thumps" instead of sonic ...
The GOP-led House Oversight Committee received files Monday from Jeffrey Epstein's estate and a "birthday book" note some ...
The X-59 is no ordinary jet — it’s NASA’s bold experiment to bring back supersonic flight without the deafening sonic boom. In this exclusive interview, former test pilot Ron Haack explains how this ...
Young people in Greenland are being trained in military and emergency preparedness under a program developed by the Danish ...