Manned space flight is costly and dangerous. Moreover, the recent success of a series of unmanned space probes and satellites has demonstrated that a great deal of useful information can be gathered without the costs and risks associated with sending men

Essay topics:

Manned space flight is costly and dangerous. Moreover, the recent success of a series of unmanned space probes and satellites has demonstrated that a great deal of useful information can be gathered without the costs and risks associated with sending men and women into space. Therefore, we should invest our resources in unmanned space flight.

The unmanned space flight has taken place in the aeronautics field since around a decade ago, since then, this has reduced the risks taken sending people to the space. however, the opinion provided in the letter used assumptions that are questionable in terms of their veracity, those assumption lead to suggestions that may or may not be beneficial and need more analysis and discussion to be taken to provide a sufficient study that may then be a good ground for such suggestions.

First, the author stated that the recent sries of unmanned space probes and satellites have been successful and used as evidence that a great amount of information has been gathered, not considering any kind of comparison between the success acheived by this umanned space probes or satellites with the amount of success or the information that would be acheived or gathered sending men or women instead.

furthermore, stating that a great amount of useful information has been gathered by this unmenned space flights may lead the reader to mistakenly judge that we have to invest more in this kind of space flights than other kind, however, the kind of information gathered by such flight may be not very useful in some researches and studies sought by scientists. For example, the world has been fascinated in the recent years by the idea of space tourism that spread around the world bu still need more study, experiments and investigation, the unmanned space flights may not be suitable to gather useful information about that.

Finally, the author didn't mention any difficulty or technological and financial costs may be associated with this kind of space travel and a comparison between the cost of sending people to the the space or sending unmanned vehicles hasn't taken place in his letter.

while the unmanned space travel may encourage scientists to make more space flights and taking some kind of risks in them given that they are not putting anyone's life in danger, more studies about the idea of supplanting the manned space travel with the unmanned should be considered to take such a decision that will maybe affect another kind of studies.

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Average: 6.3 (3 votes)
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Grammar and spelling errors:
Line 1, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
The unmanned space flight has taken plac...
^^^^^
Line 1, column 174, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: However
...isks taken sending people to the space. however, the opinion provided in the letter use...
^^^^^^^
Line 1, column 285, Rule ID: THIS_NNS[2]
Message: Did you mean 'this assumption' or 'those assumptions'?
Suggestion: this assumption; those assumptions
...uestionable in terms of their veracity, those assumption lead to suggestions that may or may not...
^^^^^^^^^^^^^^^^
Line 2, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...be a good ground for such suggestions. First, the author stated that the recent...
^^^^
Line 3, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...gathered sending men or women instead. furthermore, stating that a great amount...
^^^^^
Line 3, column 6, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: Furthermore
...red sending men or women instead. furthermore, stating that a great amount of useful ...
^^^^^^^^^^^
Line 4, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... gather useful information about that. Finally, the author didnt mention any di...
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Line 4, column 26, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: didn't
...n about that. Finally, the author didnt mention any difficulty or technological...
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Line 4, column 196, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: the
...n between the cost of sending people to the the space or sending unmanned vehicles hasn...
^^^^^^^
Line 4, column 196, Rule ID: DT_DT[1]
Message: Maybe you need to remove one determiner so that only 'the' or 'the' is left.
Suggestion: the; the
...n between the cost of sending people to the the space or sending unmanned vehicles hasn...
^^^^^^^
Line 4, column 239, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: hasn't
... the space or sending unmanned vehicles hasnt taken place in his letter. while t...
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Line 5, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...icles hasnt taken place in his letter. while the unmanned space travel may enco...
^^^^
Line 5, column 5, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: While
...s hasnt taken place in his letter. while the unmanned space travel may encourage...
^^^^^

Transition Words or Phrases used:
finally, first, furthermore, however, if, may, so, still, then, while, for example, kind of

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 14.0 19.6327345309 71% => OK
Auxiliary verbs: 13.0 12.9520958084 100% => OK
Conjunction : 16.0 11.1786427146 143% => OK
Relative clauses : 12.0 13.6137724551 88% => OK
Pronoun: 23.0 28.8173652695 80% => OK
Preposition: 50.0 55.5748502994 90% => OK
Nominalization: 9.0 16.3942115768 55% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 1786.0 2260.96107784 79% => OK
No of words: 358.0 441.139720559 81% => More content wanted.
Chars per words: 4.98882681564 5.12650576532 97% => OK
Fourth root words length: 4.34981470047 4.56307096286 95% => OK
Word Length SD: 2.62433698217 2.78398813304 94% => OK
Unique words: 162.0 204.123752495 79% => More unique words wanted.
Unique words percentage: 0.45251396648 0.468620217663 97% => OK
syllable_count: 556.2 705.55239521 79% => OK
avg_syllables_per_word: 1.6 1.59920159681 100% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 4.96107784431 40% => OK
Article: 7.0 8.76447105788 80% => OK
Subordination: 2.0 2.70958083832 74% => OK
Conjunction: 0.0 1.67365269461 0% => OK
Preposition: 1.0 4.22255489022 24% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 7.0 19.7664670659 35% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 51.0 22.8473053892 223% => The Avg. Sentence Length is relatively long.
Sentence length SD: 73.2284655258 57.8364921388 127% => OK
Chars per sentence: 255.142857143 119.503703932 214% => Less chars_per_sentence wanted.
Words per sentence: 51.1428571429 23.324526521 219% => Less words per sentence wanted.
Discourse Markers: 13.0 5.70786347227 228% => Less transition words/phrases wanted.
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 13.0 5.25449101796 247% => Less language errors wanted.
Sentences with positive sentiment : 4.0 8.20758483034 49% => More positive sentences wanted.
Sentences with negative sentiment : 3.0 6.88822355289 44% => More negative sentences wanted.
Sentences with neutral sentiment: 0.0 4.67664670659 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.395880854835 0.218282227539 181% => OK
Sentence topic coherence: 0.198325450365 0.0743258471296 267% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.0808265085332 0.0701772020484 115% => OK
Paragraph topic coherence: 0.232125613375 0.128457276422 181% => OK
Paragraph topic coherence SD: 0.0700225147415 0.0628817314937 111% => OK

Essay readability:
automated_readability_index: 27.6 14.3799401198 192% => OK
flesch_reading_ease: 19.71 48.3550499002 41% => Flesch_reading_ease is low.
smog_index: 13.0 7.1628742515 181% => OK
flesch_kincaid_grade: 23.2 12.197005988 190% => OK
coleman_liau_index: 12.55 12.5979740519 100% => OK
dale_chall_readability_score: 9.21 8.32208582834 111% => OK
difficult_words: 69.0 98.500998004 70% => More difficult words wanted.
linsear_write_formula: 19.0 12.3882235529 153% => OK
gunning_fog: 22.4 11.1389221557 201% => Gunning_fog is high.
text_standard: 13.0 11.9071856287 109% => OK
What are above readability scores?

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Rates: 50.0 out of 100
Scores by essay e-grader: 3.0 Out of 6
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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.

Attribute Value Ideal
Final score: 3.5 out of 6
Category: Satisfactory Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 6 15
No. of Words: 360 350
No. of Characters: 1758 1500
No. of Different Words: 155 200
Fourth Root of Number of Words: 4.356 4.7
Average Word Length: 4.883 4.6
Word Length SD: 2.582 2.4
No. of Words greater than 5 chars: 121 100
No. of Words greater than 6 chars: 85 80
No. of Words greater than 7 chars: 56 40
No. of Words greater than 8 chars: 35 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 60 21.0
Sentence Length SD: 12.741 7.5
Use of Discourse Markers (%): 1 0.12
Sentence-Text Coherence: 0.564 0.35
Sentence-Para Coherence: 0.924 0.50
Sentence-Sentence Coherence: 0.258 0.07
Number of Paragraphs: 5 5