While the author of the reading passage argues that there are three ways to protect a spaceship from harmful space debris, the lecturer opposes the reading’s assertion with different views.
First of all, the lecturer says that tracking harmful objects in the space seems flawed does not seem like a good idea. Creating a route not to be intersected with debris is not effective for a scape shuttle. This is because it is impossible for the ship to avoid very small particles in the space cosmos. Thus, there is still a huge risk of collision amount of colliding risk. This refutes the reading passage’s argument that a space vessel can be protected by keeping track of floating objects that can possibly damage it detrimental to it.
Additionally, the lecturer says that building a shield out of for a spaceship looks baseless. Using metallic material for the shield is considered impractical. The reason is that it requires the ship to sustain too much metal, which will make the shuttle too heavy weigh down. Therefore, more powerful rockets needs to be installed will be required, which and consume more time and energy. This casts doubt on the reading passage’s assertion that another way to guard a spaceship from bumping with harmful debris is to make a protective shield.
Finally, the lecturer says that introducing a ground-based laser system is controversial. Although it might be a good solution to blast dangerous particles away from a space vessel, some nations in the world are highly likely to object to using the laser beam in their own aerospace. Consequently, diplomatic issues will appear among the nations. This contradicts the reading passage’s assertion that implementing a laser system on the ground toward floating debris in the space turns out to be a way to defense a space vessel against the impact with them.
Writing 0-30 scale
Fair (21-24)
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