Sending humans to Mars have some problems.
In the reading passage, the author concentrates on several problems facing astronauts during Mars missions. However, the lecturer states that some solutions already have been discovered to solve the mentioned problems and respectively points out problems with all author's assertions.
Firstly, the author argues that it takes at least two years to travel to Mars and get back to Earth, which causes some issues related to carrying enough food, water, and oxygen for such a long journey. Nevertheless, the lecturer brings up the fact that astronauts can use hydroponics, which is a technique to grow plants in water, not in the soil. This method requires a little space and can be employed in spacecraft. The technique also releases clean water and oxygen, which can provide fresh water and oxygen needed by astronauts.
Secondly, the author suggests that the Mars mission necessarily entails spending a long time in the zero-gravity environment of space, which has negative impacts on human health. By contrast, the lecturer challenges this idea and states that over many years, a lot of astronauts have experienced the zero-gravity environment, and they already have used a number of techniques to overcome the problems arising in these trips. For example, regular exercising and consuming some substances can help them maintain their body health and avoid problems like decreased muscle mass and lower bone density.
Lastly, the author asserts that during a mission to Mars, there would be dangerous levels of space radiation emitted from the sun. Conversely, the lecturer refutes this claim and clarifies that solar radiation is not at a dangerous level most of the time. Harmful radiation occurs occasionally and for this reason, special shields have been set up in spacecraft. After detecting dangerous levels of solar radiation by particular instruments installed, astronauts can move under these protected shields.
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Transition Words or Phrases used:
also, conversely, first, firstly, however, if, lastly, nevertheless, second, secondly, so, at least, for example
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 6.0 10.4613686534 57% => More to be verbs wanted.
Auxiliary verbs: 6.0 5.04856512141 119% => OK
Conjunction : 13.0 7.30242825607 178% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 17.0 22.412803532 76% => OK
Preposition: 39.0 30.3222958057 129% => OK
Nominalization: 6.0 5.01324503311 120% => OK
Performance on vocabulary words:
No of characters: 1626.0 1373.03311258 118% => OK
No of words: 301.0 270.72406181 111% => OK
Chars per words: 5.40199335548 5.08290768461 106% => OK
Fourth root words length: 4.16525528304 4.04702891845 103% => OK
Word Length SD: 2.7694213466 2.5805825403 107% => OK
Unique words: 179.0 145.348785872 123% => OK
Unique words percentage: 0.594684385382 0.540411800872 110% => OK
syllable_count: 492.3 419.366225166 117% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 3.25607064018 31% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 23.0 21.2450331126 108% => OK
Sentence length SD: 44.7841635154 49.2860985944 91% => OK
Chars per sentence: 125.076923077 110.228320801 113% => OK
Words per sentence: 23.1538461538 21.698381199 107% => OK
Discourse Markers: 8.61538461538 7.06452816374 122% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 8.0 4.45695364238 179% => OK
Sentences with neutral sentiment: 2.0 4.27373068433 47% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0900686006387 0.272083759551 33% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.0327278152913 0.0996497079465 33% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0326275287718 0.0662205650399 49% => Sentences are similar to each other.
Paragraph topic coherence: 0.0545179073334 0.162205337803 34% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.017686121228 0.0443174109184 40% => Paragraphs are similar to each other. Some content may get duplicated or it is not exactly right on the topic.
Essay readability:
automated_readability_index: 15.6 13.3589403974 117% => OK
flesch_reading_ease: 48.13 53.8541721854 89% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 12.3 11.0289183223 112% => OK
coleman_liau_index: 14.34 12.2367328918 117% => OK
dale_chall_readability_score: 9.29 8.42419426049 110% => OK
difficult_words: 86.0 63.6247240618 135% => OK
linsear_write_formula: 14.0 10.7273730684 131% => OK
gunning_fog: 11.2 10.498013245 107% => OK
text_standard: 14.0 11.2008830022 125% => OK
What are above readability scores?
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It is not exactly right on the topic in the view of e-grader. Maybe there is a wrong essay topic.
Rates: 3.33333333333 out of 100
Scores by essay e-grader: 1.0 Out of 30
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.