steroids 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.
Summarize the points made in the lecture, being sure to explain how they challenge the specific points made in the reading passage.
The professor in the lecture does not agree about the three reasons that provided by the reading that sending people to asteroid would actually be the best colonization option. Therefore, he tries to persuade his class that these reasons are not either convincing or practical.
To begin with, according to gravity, The professor avers that low gravity has many risques. He says that low gravity can cause loosing muscle mas and bone density. Therefore, people can suffer from health problem on the long run. This point refutes the point from the reading which states that low gravity will be helpful.
In addition, Regarding valuable metals, The speaker asserts that it is not the whole picture as, the cost to support and transport these metals will be high. Therefore, no guaranty that the price will be the same. Again This point contradict the point from the reading which claims that mining valuable metals next some asteroids are rich in value.
Last but not least, according to easy to reach reason, The lecture argues that orbits can move away from earth. Moreover, orbits can be close to Earth then move away from earth like Mars. So, getting back from orbit that far away from earth could be challenging. This point casts doubt the point from the reading because the reading says that there are a number of asteroids that periodically come within or near Earth's orbit.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2020-01-16 | Kalima | 81 | view |
| 2019-12-29 | Bonjourkmm | 83 | view |
| 2019-12-27 | Amirreza97 | 3 | view |
| 2019-12-27 | Amirreza97 | 3 | view |
| 2019-12-17 | bishal sitaula | 66 | view |
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Grammar and spelling errors:
Line 2, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...re not either convincing or practical. To begin with, according to gravity, The...
^^
Line 2, column 176, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... muscle mas and bone density. Therefore, people can suffer from health problem on...
^^
Line 3, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...ates that low gravity will be helpful. In addition, Regarding valuable metals, ...
^^
Line 4, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...next some asteroids are rich in value. Last but not least, according to easy to...
^^
Transition Words or Phrases used:
actually, but, moreover, regarding, so, then, therefore, in addition, to begin with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 9.0 5.04856512141 178% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 22.0 22.412803532 98% => OK
Preposition: 28.0 30.3222958057 92% => OK
Nominalization: 2.0 5.01324503311 40% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1149.0 1373.03311258 84% => OK
No of words: 234.0 270.72406181 86% => More content wanted.
Chars per words: 4.91025641026 5.08290768461 97% => OK
Fourth root words length: 3.91114542567 4.04702891845 97% => OK
Word Length SD: 2.22253860338 2.5805825403 86% => OK
Unique words: 135.0 145.348785872 93% => More unique words wanted.
Unique words percentage: 0.576923076923 0.540411800872 107% => OK
syllable_count: 337.5 419.366225166 80% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 5.0 8.23620309051 61% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 38.6443348421 49.2860985944 78% => OK
Chars per sentence: 88.3846153846 110.228320801 80% => OK
Words per sentence: 18.0 21.698381199 83% => OK
Discourse Markers: 6.38461538462 7.06452816374 90% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 7.0 4.33554083885 161% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 0.0 4.27373068433 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0248696570839 0.272083759551 9% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.00916078369882 0.0996497079465 9% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0148414563433 0.0662205650399 22% => Sentences are similar to each other.
Paragraph topic coherence: 0.0172139749518 0.162205337803 11% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.0113435277372 0.0443174109184 26% => 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: 10.7 13.3589403974 80% => Automated_readability_index is low.
flesch_reading_ease: 70.13 53.8541721854 130% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 7.9 11.0289183223 72% => OK
coleman_liau_index: 10.9 12.2367328918 89% => OK
dale_chall_readability_score: 7.63 8.42419426049 91% => OK
difficult_words: 46.0 63.6247240618 72% => More difficult words wanted.
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
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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.