What is Space Junk? (Grades 5-8) (OTM2131) (eLesson Plan)Lapierre, Krystal
A. It refers to small pieces of things that were once bigger objects. B. It refers to objects that survived the extreme heat through the atmosphere. C. It refers to clouds that are made up of small objects in space. D. It refers to all kinds of objects that have been left behind in...
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Are you afraid of going to the dentist?If you are,what is it about that makes you so scared? Shouldn’t going to the dentist be just like going to any other doctor?According to a recent survey by Martin Tickle,a professor at Manchester University,UK,pain is quite rare in dental surge...
orbit, probably at a speed of something like 6 miles per second (nearly 10 kilometers per second). If the wrench hits any vehicle carrying a human crew, the results could be disastrous. Larger objects like a space station make a larger target for space junk, and so are at greater risk...
What goes updoesn’t always come down. In 1961, when the Soviet Union sent the first person into space, fewer than 1,000 pieces of junk had accumulated there from previous exploration efforts. Decades later, there are nearly30,000 pieces—and that number only includes the pieces that are ...
So beforeperforming the maneuver, the team will also need t check where the satllte is going and see ifthereare other objects in that new orbit And just like freeway traffic, not everything stays in its own lane.Some objects have elliptical orbits and cross back and forth over several ...
the name that scientists give to the thousands of pieces of broken satellites 3and spacecraft 4.It takes up the Earth ’s orbit.Space junk can be as small as a piece of paint or as large as a broken rocket 5.No matter the size,it is a great danger to the astronauts 6and space...
解析 1.Pieces of space junk. 2.Because it may crash into other space tools causing damage or death 3.the tools don't become space junk. 4.Use robots to collect it. 5.Environment.结果一 题目 What does the underlined word "these" in Paragraph 2 refer to ___?Why is space junk consid...
C.Space junk is badly needed to be cleaned up.D.However, that doesn’t mean it’s not a problem.E.Space junk in orbit is becoming more and more recently.F.There also needs to be efforts to reduce the creation of more space junk.G.There are about 2,000 live satellites and 3,000 ...