Scientists are considering the possibility of sending humans to Mars in the coming decades. Although there have been successful manned missions to the Moon in the 1960s and 1970s, Mars is 150 times further away from Earth than the Moon is. Thus the project of sending humans to Mars would require solving an array of problems the Moon missions did not have to face.
The reading passage and the lecture are both about the ability to send a human to Mars in the coming decades. The article states that the project of sending astronauts to Mars is will be faced with new problems which the moon missions did not have to face. However, the professor opposes this point by mentioning three theories.
To begin with, the author states that since round-trip to mars and take back is likely more than two years, whereas, a trip to the moon takes a shorter time like a few days and bringing enough supplies of food, water, and oxygen but the space vehicles have limited cargo capacity so they just can put a specific amount of food, water and oxygen so it is not enough for two years. The lecturer argues this point by saying that they can use hydroponics, a technique for growing plants with their roots in water instead of soil; they can cultivate food crops in spacecraft. Moreover, since all plants absorb carbon dioxide and release oxygen, astronauts will have fresh air to breathe.
Secondly, the author states that the zero-gravity environment has many harmful impacts on the human body, like decreased muscle mass and lower bone density. Throughout two year mission, the effects would be severe and would make humans face grave medical problems. the professor, however, rebuts this by saying that the astronauts can use several techniques for solving this problem such as regular exercise and taking vitamins and minerals. Therefore, astronauts are experts dealing with zero gravity and there is no need to worry about them.
Finally, the article mentions that astronauts on a mission to Mars would be exposed to dangerous levels of space radiation which are mostly coming from the sun. in contrast the professor mentions that the spaceship would be equipped with a special instrument to control the radiation. Moreover, the device could also shield against radiation. When astronauts meet the period of a large amount of radiation, they could hide behind the shielded areas and come out when the danger has passed.
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Grammar and spelling errors:
Line 3, column 266, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: The
...ake humans face grave medical problems. the professor, however, rebuts this by sayi...
^^^
Line 4, column 161, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: In
...n which are mostly coming from the sun. in contrast the professor mentions that th...
^^
Line 4, column 164, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[2]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: contrast,
...hich are mostly coming from the sun. in contrast the professor mentions that the spacesh...
^^^^^^^^
Line 4, column 490, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...nd come out when the danger has passed.
^^^^^^^^
Transition Words or Phrases used:
also, but, finally, however, if, moreover, second, secondly, so, therefore, whereas, in contrast, such as, to begin with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 11.0 10.4613686534 105% => OK
Auxiliary verbs: 13.0 5.04856512141 257% => Less auxiliary verb wanted.
Conjunction : 13.0 7.30242825607 178% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 18.0 22.412803532 80% => OK
Preposition: 45.0 30.3222958057 148% => OK
Nominalization: 6.0 5.01324503311 120% => OK
Performance on vocabulary words:
No of characters: 1710.0 1373.03311258 125% => OK
No of words: 344.0 270.72406181 127% => OK
Chars per words: 4.97093023256 5.08290768461 98% => OK
Fourth root words length: 4.30665032142 4.04702891845 106% => OK
Word Length SD: 2.41426124982 2.5805825403 94% => OK
Unique words: 201.0 145.348785872 138% => OK
Unique words percentage: 0.584302325581 0.540411800872 108% => OK
syllable_count: 519.3 419.366225166 124% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 12.0 8.23620309051 146% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 24.0 21.2450331126 113% => OK
Sentence length SD: 74.4627012507 49.2860985944 151% => OK
Chars per sentence: 122.142857143 110.228320801 111% => OK
Words per sentence: 24.5714285714 21.698381199 113% => OK
Discourse Markers: 8.57142857143 7.06452816374 121% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => 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: 0.140581929051 0.272083759551 52% => OK
Sentence topic coherence: 0.0473105188979 0.0996497079465 47% => OK
Sentence topic coherence SD: 0.0626027002928 0.0662205650399 95% => OK
Paragraph topic coherence: 0.0953669562654 0.162205337803 59% => OK
Paragraph topic coherence SD: 0.0726090659631 0.0443174109184 164% => OK
Essay readability:
automated_readability_index: 14.3 13.3589403974 107% => OK
flesch_reading_ease: 55.58 53.8541721854 103% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.5 11.0289183223 104% => OK
coleman_liau_index: 11.84 12.2367328918 97% => OK
dale_chall_readability_score: 9.19 8.42419426049 109% => OK
difficult_words: 95.0 63.6247240618 149% => OK
linsear_write_formula: 13.0 10.7273730684 121% => OK
gunning_fog: 11.6 10.498013245 110% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
Write the essay in 20 minutes.
Rates: 86.6666666667 out of 100
Scores by essay e-grader: 26.0 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.