About 72 seconds into Challenger's flight, there was a massive, almost explosive, burning of the hydrogen that was streaming from the failed tank bottom, combined with liquid oxygen leaking from a part of the fuel tank known as the intertank. Under severe aerodynamic loads, the space shuttle ...
相关知识点: 试题来源: 解析 B。本题考查时态。“The Challenger space shuttle exploded shortly after takeoff”这句话中“exploded”是 explode 的过去式,所以是一般过去时。A 选项是一般现在时;C 选项是现在完成时;D 选项是过去进行时。反馈 收藏
THE SPACE SHUTTLE CHALLENGER DISASTER Preliminaries * T h e Na t i o na l Aero na u t i cs a nd Space Admi ni st r a t i o n. 114 "What Do You C are What Other People Thi nk?' FIGURE 1. The spac e shuttle Challenger. The fuel tank, flanked by two soli d-fuel roc ...
30 Years after Challenger Space Shuttle Disaster, What Have We Learned?Thirty years ago this Thursday, the nation watched as NASA'sspace shuttle Challenger burst into...Shekhtman, Lonnie
One of the ways space has been explored is through space shuttles. One shuttle was called the Challenger. Its first mission was in April of 1983, and... Learn more about this topic: Space Shuttles | Overview, Missions & Disasters
Challenger Needed to Rekindle America's Romance With Space By January of 1986 America was already bored with spaceflight. It was, in part, NASA’s own fault. The government agency had debuted the space shuttle program five years earlier with an aggressive public-relations message that the reusabl...
through blue skies after the shuttle suddenly fell apart. It was almost 17 years to the day that the Challenger shuttle exploded on Jan. 28 1986 killing all seven astronauts on board. Take-off and re-entry into Earth's atmosphere are the most dangerous parts of a space mission. In 42 ...
When the Challenger space shuttle过去完成时的被动语态时间状语从句took off on 28 January 1986, the world seemed to have lost its wonder at the amazing achievements of the astronauts involved. But this was going to be no ordinary excursion, and millions of people tuned" in to witness the take...
War Thunder developers Gaijin Entertainment have apologised for using a picture of the real-life Challenger shuttle disaster, in which seven people died, in artwork promoting its latest update for the aerial combat MMO. –Matt Jarvis 1:22 AM There’s no new FIFA game just yet, so of cour...
She went on to defend LGBTQ+ rights in the face of Republican attempts curb them: “Demonizing our children for being who they are and loving who they love—that doesn’t make anybody’s life better,” she said, saying it only makes someone "seem small." “Going small is p...