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

Essay topics:

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.

The reading passage contends that some people think that sending people to an asteroid would actually be the best colonization option and presents several evidences that seem to uphold the claim. However, the lecture claims that such idea is not practical and there are several downsides to the points mentioned in the reading passage. The reason to why the lecture maintains this way will be elaborated in more detail below.
First of all, the lecture counterpoints the reading passage, which asserts that asteroids have lower gravity that makes landing much safer, by commenting that low gravity may present multiple risks. Staying in low gravity environment would lead to deduction of muscle mass and bone density. As an example, space shuttles maintain a low gravity environment and astronauts who live in their for only a short period of time experience the downsides mentioned above. If so, living for a long time in a low gravity environment would increase health problems among people.
Secondly, while the reading passage claims that asteriods are rich in valuable elements and precious metals that are relatively rare on Earth, the lecture disapproves this point by explaining that the cost of supporting the colony and transporting the metal would be expensive. Also, the price of selling the metal will still stay the same because due to the increase in the supply of metal, the rarity of it will decrease, leading to eliciting less profit than expected.
Last but not least, the reading passage maintains that asteroids are apropos for colonization because some of them are very easy to reach. However, the lecture refutes this point by mentioning that it won't be easy to return back to Earth. Some asteroids have unsual orbit paths and they may move close to the Earth at one point, but move farther away as time passes. While it is easy to get to the asteroid when it is close to the Earth, because it doesn't stay close to the Earth, getting back would be a challenge.

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Comments

Grammar and spelling errors:
Line 2, column 407, Rule ID: PERIOD_OF_TIME[1]
Message: Use simply 'period'.
Suggestion: period
...auts who live in their for only a short period of time experience the downsides mentioned abov...
^^^^^^^^^^^^^^
Line 4, column 217, Rule ID: RETURN_BACK[1]
Message: Use simply 'return'.
Suggestion: return
...t by mentioning that it wont be easy to return back to Earth. Some asteroids have unsual or...
^^^^^^^^^^^
Line 4, column 449, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: doesn't
...en it is close to the Earth, because it doesnt stay close to the Earth, getting back w...
^^^^^^

Transition Words or Phrases used:
actually, also, but, first, however, if, may, second, secondly, so, still, while, first of all

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

Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 10.0 5.04856512141 198% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 23.0 22.412803532 103% => OK
Preposition: 38.0 30.3222958057 125% => OK
Nominalization: 7.0 5.01324503311 140% => OK

Performance on vocabulary words:
No of characters: 1653.0 1373.03311258 120% => OK
No of words: 334.0 270.72406181 123% => OK
Chars per words: 4.94910179641 5.08290768461 97% => OK
Fourth root words length: 4.27500489853 4.04702891845 106% => OK
Word Length SD: 2.50234391179 2.5805825403 97% => OK
Unique words: 178.0 145.348785872 122% => OK
Unique words percentage: 0.532934131737 0.540411800872 99% => OK
syllable_count: 514.8 419.366225166 123% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 3.25607064018 0% => OK
Article: 9.0 8.23620309051 109% => OK
Subordination: 5.0 1.25165562914 399% => Less adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 25.0 21.2450331126 118% => OK
Sentence length SD: 52.2811018387 49.2860985944 106% => OK
Chars per sentence: 127.153846154 110.228320801 115% => OK
Words per sentence: 25.6923076923 21.698381199 118% => OK
Discourse Markers: 7.23076923077 7.06452816374 102% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 3.0 4.19205298013 72% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => 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: 0.0726262355365 0.272083759551 27% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.0274245196705 0.0996497079465 28% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0239848891117 0.0662205650399 36% => Sentences are similar to each other.
Paragraph topic coherence: 0.042834886741 0.162205337803 26% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.0211124319294 0.0443174109184 48% => 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: 14.7 13.3589403974 110% => OK
flesch_reading_ease: 54.56 53.8541721854 101% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.9 11.0289183223 108% => OK
coleman_liau_index: 11.73 12.2367328918 96% => OK
dale_chall_readability_score: 8.42 8.42419426049 100% => OK
difficult_words: 75.0 63.6247240618 118% => OK
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 12.0 10.498013245 114% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?

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Write the essay in 20 minutes.
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.