"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 central problem discussed in the letter is - "Which is preferable? Manned or unmanned space flight?"
It is human intelligence that designs the machineries required for space flight. Sending a manned spcae flight prevents a lot of complex machineries to be used, as the human is physically present to manually control the flight. Unmanned space flights requires automation for every controls, thus increasing the solution complexity and cost. But another perspective to be considered is - what are the mission objectives? Is it to collect obsevable information? Or is it to bring back physical samples to be examined upon? If it is the first case, then an unmanned space flight would be more preferable, as it is relatively simple to create an automated information collecting system. If not, then a manned flight would be preferable. It's beacuse automated sample collection is nearly impossible.
As mentioned in the letter, it is true that manned flights are dangerous, and there has been many incidents which supports this. But then again, the element of failure is less probable in case of manned flight. Space exploration is not something that can be programmed using algortihmic tasks. There is a lot of complex decisons that has to be taken depending on what the situation demands.
Also, it is most important to consider why man explores space in the first place? It is the excitement that man develops conquering the universe, which gives them the courage and enthusiasm to explore space more farther away.
The suitable question to ask is - "Which is most significant for the given mission objective?
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2023-08-23 | Krisha Lakhani | 58 | view |
| 2023-08-17 | riyarmy | 83 | view |
| 2023-08-11 | Anish Sapkota | 58 | view |
| 2023-08-04 | DCAD123 | 50 | view |
| 2023-07-30 | BusariMoruf | 55 | view |
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Comments
e-rater score report
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: 18 15
No. of Words: 262 350
No. of Characters: 1313 1500
No. of Different Words: 148 200
Fourth Root of Number of Words: 4.023 4.7
Average Word Length: 5.011 4.6
Word Length SD: 2.794 2.4
No. of Words greater than 5 chars: 99 100
No. of Words greater than 6 chars: 80 80
No. of Words greater than 7 chars: 58 40
No. of Words greater than 8 chars: 38 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 14.556 21.0
Sentence Length SD: 6.148 7.5
Use of Discourse Markers (%): 0.389 0.12
Sentence-Text Coherence: 0.301 0.35
Sentence-Para Coherence: 0.513 0.50
Sentence-Sentence Coherence: 0.073 0.07
Number of Paragraphs: 5 5
Grammar and spelling errors:
Line 7, column 208, Rule ID: MOST_COMPARATIVE[2]
Message: Use only 'farther' (without 'more') when you use the comparative.
Suggestion: farther
...courage and enthusiasm to explore space more farther away. The suitable question to ask i...
^^^^^^^^^^^^
Transition Words or Phrases used:
also, but, first, if, so, then, thus, as to, it is true, in the first place
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 28.0 19.6327345309 143% => OK
Auxiliary verbs: 3.0 12.9520958084 23% => OK
Conjunction : 7.0 11.1786427146 63% => OK
Relative clauses : 9.0 13.6137724551 66% => More relative clauses wanted.
Pronoun: 16.0 28.8173652695 56% => OK
Preposition: 21.0 55.5748502994 38% => More preposition wanted.
Nominalization: 11.0 16.3942115768 67% => OK
Performance on vocabulary words:
No of characters: 1377.0 2260.96107784 61% => OK
No of words: 262.0 441.139720559 59% => More content wanted.
Chars per words: 5.25572519084 5.12650576532 103% => OK
Fourth root words length: 4.02323427807 4.56307096286 88% => OK
Word Length SD: 2.97099782105 2.78398813304 107% => OK
Unique words: 148.0 204.123752495 73% => More unique words wanted.
Unique words percentage: 0.564885496183 0.468620217663 121% => OK
syllable_count: 427.5 705.55239521 61% => OK
avg_syllables_per_word: 1.6 1.59920159681 100% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 4.96107784431 101% => OK
Article: 3.0 8.76447105788 34% => OK
Subordination: 5.0 2.70958083832 185% => OK
Conjunction: 4.0 1.67365269461 239% => Less conjunction wanted as sentence beginning.
Preposition: 0.0 4.22255489022 0% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 17.0 19.7664670659 86% => OK
Sentence length: 15.0 22.8473053892 66% => The Avg. Sentence Length is relatively short.
Sentence length SD: 34.5223462057 57.8364921388 60% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 81.0 119.503703932 68% => OK
Words per sentence: 15.4117647059 23.324526521 66% => OK
Discourse Markers: 4.41176470588 5.70786347227 77% => OK
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 1.0 5.25449101796 19% => OK
Sentences with positive sentiment : 9.0 8.20758483034 110% => OK
Sentences with negative sentiment : 2.0 6.88822355289 29% => More negative sentences wanted.
Sentences with neutral sentiment: 6.0 4.67664670659 128% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.268432524904 0.218282227539 123% => OK
Sentence topic coherence: 0.0836339863665 0.0743258471296 113% => OK
Sentence topic coherence SD: 0.0673601346682 0.0701772020484 96% => OK
Paragraph topic coherence: 0.126336524887 0.128457276422 98% => OK
Paragraph topic coherence SD: 0.0768523035928 0.0628817314937 122% => OK
Essay readability:
automated_readability_index: 11.0 14.3799401198 76% => Automated_readability_index is low.
flesch_reading_ease: 56.25 48.3550499002 116% => OK
smog_index: 8.8 7.1628742515 123% => OK
flesch_kincaid_grade: 9.1 12.197005988 75% => OK
coleman_liau_index: 12.93 12.5979740519 103% => OK
dale_chall_readability_score: 9.32 8.32208582834 112% => OK
difficult_words: 82.0 98.500998004 83% => More difficult words wanted.
linsear_write_formula: 8.0 12.3882235529 65% => OK
gunning_fog: 8.0 11.1389221557 72% => OK
text_standard: 9.0 11.9071856287 76% => OK
What are above readability scores?
---------------------
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.