Asteroids are large space objects made of rock and ice. There are hundreds of thousands of asteroids in our solar system. Though we often hear ideas about establishing colonies of humans to live and work on our Moon or our neighboring planet, Mars, some think that sending people to an asteroid would actually be the best colonization option for a number of reasons Low Gravity To begin with, asteroids are often much smaller than planets, so they have lower gravity. When landing a spaceship, the craft would not be pulled as strongly or as forcefully toward the asteroid's surface, making the landing safer than landing on the Moon or Mars; it would also allow a spacecraft to carry much more equipment needed to set up the colony. It would also be easier for the spacecraft to take off again, so the spaceship would need to carry considerably less fuel for the trip back to Earth. Mining Valuable Metals Next some asteroids are rich in valuable elements and precious metals that are relatively rare on Earth, such as gold and platinum. An asteroid colony would be extremely profitable and a good source of these raw materials. The colonists or businesses sponsoring them could more than pay for the cost of their support by mining minerals and sending them back to Earth. Easy to Reach Finally, asteroids are a good option for colonization because some of them would be very easy to reach. There are a number of asteroids that periodically come within or near Earth's orbit Some of them actually get closer to Earth than our Moon. So these asteroids would be much easier and more affordable to get to and get back from than a planet like Mars, which would require a two-year trip in each direction.
Word Count: 226
The lecturer explained why asteroid will not be a great place for colonization. These are the following three reasons.
First of all, asteroid has lesser gravity. As a result of lesser gravity there are more chances of getting health problems including less bone density and lesser muscle mass. Due to this condition people cannot stay or colonize in asteroid for long. This directly refutes the reading passage which support the idea of lesser gravity suiting better colonization in asteroid.
Secondly, lecturer also thinks that mining valuable from asteroid is also not practical due to the cost of transportation and support. He also says that due to the huge supply of valuable metals from asteroid, can lead to less market demand. Again this contrasts the reading passage which states that asteroid colony would be profitable from metal mining
Thirdly, most of the asteroid does not stay close. Moreover they move far away from earth, so this can be challenging to way back to earth.Thus lecturer clearly explains that the idea of reaching asteroid easily cannot be also not considered as a good reason for colonization in asteroid.
All in all, due to serious health hazard, cost involved in mining precious metals and difficulty to reach back to earth from asteroid are the main reasons why professor think that colonization in asteroid is not a good idea.
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- Asteroids are large space objects made of rock and ice. There are hundreds of thousands of asteroids in our solar system. Though we often hear ideas about establishing colonies of humans to live and work on our Moon or our neighboring planet, Mars, some t 78
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Grammar and spelling errors:
Line 7, column 52, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Moreover,
...st of the asteroid does not stay close. Moreover they move far away from earth, so this...
^^^^^^^^
Line 7, column 79, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... stay close. Moreover they move far away from earth, so this can be challenging t...
^^
Line 7, column 141, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: Thus
...can be challenging to way back to earth.Thus lecturer clearly explains that the idea...
^^^^
Line 7, column 141, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Thus,
...can be challenging to way back to earth.Thus lecturer clearly explains that the idea...
^^^^
Transition Words or Phrases used:
also, first, if, moreover, second, secondly, so, third, thirdly, thus, as a result, first of all
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 9.0 10.4613686534 86% => OK
Auxiliary verbs: 6.0 5.04856512141 119% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 7.0 12.0772626932 58% => More relative clauses wanted.
Pronoun: 12.0 22.412803532 54% => OK
Preposition: 28.0 30.3222958057 92% => OK
Nominalization: 6.0 5.01324503311 120% => OK
Performance on vocabulary words:
No of characters: 1155.0 1373.03311258 84% => OK
No of words: 225.0 270.72406181 83% => More content wanted.
Chars per words: 5.13333333333 5.08290768461 101% => OK
Fourth root words length: 3.87298334621 4.04702891845 96% => OK
Word Length SD: 2.57281514645 2.5805825403 100% => OK
Unique words: 126.0 145.348785872 87% => More unique words wanted.
Unique words percentage: 0.56 0.540411800872 104% => OK
syllable_count: 351.0 419.366225166 84% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 1.0 8.23620309051 12% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 0.0 2.5761589404 0% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 11.0 13.0662251656 84% => 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: 20.0 21.2450331126 94% => OK
Sentence length SD: 63.1532309428 49.2860985944 128% => OK
Chars per sentence: 105.0 110.228320801 95% => OK
Words per sentence: 20.4545454545 21.698381199 94% => OK
Discourse Markers: 8.72727272727 7.06452816374 124% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.11896353327 0.272083759551 44% => OK
Sentence topic coherence: 0.0531292383735 0.0996497079465 53% => OK
Sentence topic coherence SD: 0.0291000531665 0.0662205650399 44% => Sentences are similar to each other.
Paragraph topic coherence: 0.0721914128748 0.162205337803 45% => OK
Paragraph topic coherence SD: 0.0146952043518 0.0443174109184 33% => 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: 13.0 13.3589403974 97% => OK
flesch_reading_ease: 51.18 53.8541721854 95% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.1 11.0289183223 101% => OK
coleman_liau_index: 12.47 12.2367328918 102% => OK
dale_chall_readability_score: 8.42 8.42419426049 100% => OK
difficult_words: 54.0 63.6247240618 85% => More difficult words wanted.
linsear_write_formula: 6.5 10.7273730684 61% => OK
gunning_fog: 10.0 10.498013245 95% => OK
text_standard: 13.0 11.2008830022 116% => OK
What are above readability scores?
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Rates: 78.3333333333 out of 100
Scores by essay e-grader: 23.5 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.