根据第一段“NASA’s spacecraft Dart hit an asteroid (小行星) 11.3 million kilometers away at a speed, changing the asteroid’s orbit and lowered its cycle period by I5 minutes, the space organization announced on Monday. (国际空间组于周一宣布,美国航天局宇宙飞船Dart以极快的速度击中了1130公里...
Europe Launches Spacecraft to Explore Asteroid Hit by NASA 9788 2024-10 3 第2448期:Severe Obesity Increases in US(1) 1.1万 2024-10 4 第2447期:Moving Homeless People to Shelter Is Not Easy 1.3万 2024-10 5 第2446期:Buyers Want Japanese Temples for Tax Breaks ...
LOS ANGELES (AP) — NASA launched a spacecraft Tuesday night on a mission to smash into an asteroid and test whether it would be possible to knock a speeding space rock off course if one were to threaten Earth.
[00:10.64]by the American space agency NASA. [00:14.88]The European Space Agency (ESA's) [00:18.80]Hera spacecraft launched October 7 [00:22.68]from NASA's Cape Canaveral in Florida. [00:26.52]The spacecraft, or ...
The system aimed to recreate the breakup of space objects that have been hit. The researchers said their simulation method has been used in the past to recreate space objects crashing into each other. For example, the team ...
The US$325M mission was the first attempt to shift the position of an asteroid, in preparation for the day one might be on course to hit Earth Author of the article: The Associated Press Marcia Dunn Published Sep 26, 2022 4 minute read Join the conversation A NASA team watches the a...
NASA will crash a spacecraft into an asteroid (小行星) to try to change its orbit, attempting to prevent humans going the same way as the dinosaurs.Earth is constantly being disturbed by small pieces of debris (碎片), but they usually burn up or break up long before they hit the ground...
D NASA's DART spacecraft struck into an asteroid(小行星) named Dimorphos and hit the space rock at about 22 500 kilometers per hour.Before the impact, Dimorphos orbited Didymos every 11 hours and 55 minutes. After, its orbit was 11 hours and 23 minutes. That 32-minute difference was ...
NASA在周二上午发推特表示:一个最新探测到的小行星有非常小的概率在2046年撞击地球。 If it does hit, the asteroid, roughly the size of an Olympic swimming pool, may arrive on Valentine's Day 2046 according to Nasa calculations. 如果撞击真的发生,那么这个大约是奥运会游泳池大小的小行星将在2046年情...
The agency's Double Asteroid Redirection Test spacecraft, or DART, hit the asteroid Dimorphos at 7:14 p.m. Eastern time. At the time of the collision, Dimorphos was about 6.8 million miles from Earth. NASA scientists cheered as images were sent back to the ground from the sp...