F项中的These missions指代上文中的 " many moon missions(任务) from different countries" 根据下文中的"Space agencies(航天局)could send a UTC time signal. . . what time it is on the moon"可知,航天局可 以向月球发送UTC时间信号,这将使地球上的人更容易知道 月球上的时间。 空处应该与UTC、月球...
The Gagarin Research and Test Cosmonaut Training Center, a Roscosmos enterprise, located in Star City, Russia, is a worldwide training facility, collaborating with space agencies from different countries such as NASA (USA), CSA (Canada), ESA (Europe) JAXA (Japan) and others. It is in the ...
Space exploration agencies were established for various reasons, and different countries have set up such agencies with specific goals and objectives. Here are some common reasons for the establishment of space exploration agencies: Scientific Exploration: One of the primary reasons is to explore and ...
Much of Europe and Afric a is one hour ahead. To keep things simple, The International Space Station ( ISS ) also uses UT C.Using UTC on the moon is one choice.Space agencies could send a UTC time signal to the moon, just like they do with the ISS. That would make it easy for ...
The International Space Station is exactly that — international. It is a partnership of five space agencies from 15 countries who contributed different parts to make up the ISS, which are still owned by the respective partner, and we all help to continuously operate the station 24 hours a day...
36_ For different systems to work together smoothly, they will have to agree on what time it is.On Earth, time in most countries is based on Coordinated Universal Time(UTC). For example, the castern United States is five hours behind UT C. _37_ Space agencies(航天局) could send a ...
The space station orbits Earth about 250 miles (425 kilometers) above the surface. An international partnership of five space agencies from 15 countries operates the station, and it has been continuously occupied since November 2000. It’s a microgravity laboratory where science, research, and huma...
A decade ago, no one would have believed that a private company could compete with government space agencies. But the ambition, dedication, and hard work of SpaceX’s team have literally changed people’s minds. The company has achieved several milestones that no other private space agency has...
until 2003 that China joined the group, launching its first manned mission, Shenzhou 5. Chinese astronaut Yang Liwei successfully completed a 21-hour mission into space and safely returned. While many space agencies have achieved notable feats since then, none have matched NASA’s level of ...
The space station orbits Earth about 250 miles (425 kilometers) above the surface. An international partnership of five space agencies from 15 countries operates the station, and it has been continuously occupied since November 2000. It’s a microgravity laboratory where science, research, and huma...