Scientists bury this entire section in a hill for support. Then they light the rocket engines inside to test them. This was how rocket engine testing was done in the early days, when they were trying to get rockets and satellites in space.
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Scientists bury this entire section in a hill for support. Then they light the rocket engines inside to test them. This was how rocket engine testing was done in the early days, when they were trying to get rockets and satellites in space. 
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.