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(1)推理判断题。根据第一段Why do we need so many satellites?What do they do for us?(我们为什么需要这么多人造卫星?它们为我们做什么?)可知,开头提到的中美两国发射卫星是为了引出人造卫星的功能这一话题,故选C。(2)细节理解题。根据第三段Shared bikes tha
SpaceX has changed humanity's relationship with space. Where once we had to painstakingly plan every rocket launch, SpaceX now sends Falcon 9s into orbit at an industrial scale. This highly reliable rocket regularly deploys dozens of internet satellites and has now completed multiple launches to ...
Most recently, aSmart Dragon-3 (SD-3) carrier rocketblasted off on Saturday, sending a group of nine satellites, including the world's first in-orbit AI commercial hypersatellite, into planned orbit. With a carrying capacity of 1.5 tonnes to the sun-synchronous orbit, the f...
根据第一段Every now and then you may hear news of satellites sent into space.On Feb 21,for example,US company SpaceX took 46 satellites into orbit.On Feb 27,China sent 22 satellites into space.Why do we need so many satellites?What do they do for us?(时不时你可能...
On May 1, theSDA released its solicitation for the first 10 satellitesthat will make up its transport layer — a space-based mesh network in low-Earth orbit. When fully developed, that transport layer will provide a global network that various sensors, shooters and tactical networks will be ...
China’s Xi’an Satellite Control Center has completed a status check of 52 in-orbit BeiDou navigation satellites ahead of the Spring Festival holiday that begins tomorrow, the center said yesterday. This is the center’s first comprehensive operational examination of all BeiDou satellites since the...
theInternational Space Station, including inside views when the crew aboard the space station is on duty. Views of Earth are also streamed from an external camera located outside of the space station. During periods of signal loss due to handover between communications satellites, a blue screen...
Booster 1062, which took its first flight in November 2020, will lift off from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida on Friday, April 12, on a mission to deploy 23 Starlink satellites to low-Earth orbit. ...
GPS is shorthand for the global positioning system and was first developed in the 1970s. The system is made up of over 30 satellites which are in orbit around the earth. This technology works in your device by receiving signals from the satellites. ...