Many scientists believe it would be possible to maintain a permanent human presence on Mars or the Moon. On the other hand, conditions on Venus are so extreme and inhospitable that maintaining a human presence there would be impossible.
First, atmospheric pressure at Venus' surface is at least 90 times greater than the pressure at Earth’s surface. This means that a force of 100 kilograms is pressing down on every square centimeter of surface. All spacecraft that have landed on Venus have been crushed by this extreme pressure within an hour of landing. Almost anything humans might land on Venus would be crushed as well.
Second, as far as we know, there are no reservoirs of water on Venus’ surface, and the planet’s atmosphere, made up mostly of carbon dioxide, nitrogen, and sulfuric acid, contains hardly any oxygen or water vapor. Water and oxygen would therefore probably have to be supplied to Venus from Earth. The idea of ensuring a regular supply of water and oxygen from Earth is impractical in the extreme and would probably defeat the purpose of establishing a permanent station on Venus.
Third, very little sunlight reaches the planet’s surface. About 60 percent of the sunlight that hits Venus is reflected back into space by the thick clouds that fill the atmosphere, which means that only 40 percent of the sunlight can get through the clouds. Below these clouds is a dense layer of carbon dioxide, which blocks even more light, so very little light reaches the surface. The lack of light would prevent the use of solar power cells, so humans could not get electricity to power their machines and equipment.
The reading claims that it is not possible to maintain a sustainable human presence on Venus because its condition is different with Mars and Moon.However, the lecturer finds all ideas dubious and present some solutions to solve this problem by installing a station in 50 km above Venus that is float on the space.
The author argues that atmospheric pressure of Venus is much more than the pressure on Earth so everything around the space of that planet will crush by that. Conversely, the lecturer brings up an idea that say in the distance of 50 km the pressure on spacecraft will be lower than that on the surface of Venus and is equal to the pressure on Earth's surface so it is not dangerous for station at all.
Furthermore, the reading passage holds the view that there are no water and oxygen on Venus and importing water and oxygen from Earth to the station is not a good idea. On the contrary, the professor underline the fact that it is true that the surface of Venus is contain of carbon dioxide and sulfuric acid components but by use of these chemical substances making water and oxygen that are necessary for human surviving will be possible and the station will obtain them easily.
Finally, the reading asserts that the planet can not absorbs whole of sunlight and it will reflect back to the space that limit use of solar power for producing electricity for mobilizations. In contrast, the speaker dismiss this issue due to the fact that clouds that exist on the space have not consider thick so they can dissreflect the light to the station and it collect them for using more from them.
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Grammar and spelling errors:
Line 1, column 148, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: However
...ndition is different with Mars and Moon.However, the lecturer finds all ideas dubious a...
^^^^^^^
Line 3, column 53, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... the reading passage holds the view that there are no water and oxygen on Venus a...
^^
Line 3, column 265, Rule ID: BEEN_PART_AGREEMENT[1]
Message: Consider using a past participle here: 'contained'.
Suggestion: contained
...it is true that the surface of Venus is contain of carbon dioxide and sulfuric acid com...
^^^^^^^
Line 4, column 54, Rule ID: DID_BASEFORM[1]
Message: The verb 'can' requires the base form of the verb: 'absorb'
Suggestion: absorb
...reading asserts that the planet can not absorbs whole of sunlight and it will reflect b...
^^^^^^^
Line 4, column 297, Rule ID: HAVE_PART_AGREEMENT[2]
Message: Possible agreement error -- use past participle here: 'considered'.
Suggestion: considered
...clouds that exist on the space have not consider thick so they can dissreflect the ligh...
^^^^^^^^
Line 4, column 305, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...hat exist on the space have not consider thick so they can dissreflect the light ...
^^
Line 4, column 369, Rule ID: IT_VBZ[1]
Message: Did you mean 'collects'?
Suggestion: collects
...reflect the light to the station and it collect them for using more from them.
^^^^^^^
Transition Words or Phrases used:
but, conversely, finally, furthermore, however, if, so, in contrast, it is true, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 12.0 7.30242825607 164% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 28.0 22.412803532 125% => Less pronouns wanted
Preposition: 38.0 30.3222958057 125% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1324.0 1373.03311258 96% => OK
No of words: 285.0 270.72406181 105% => OK
Chars per words: 4.64561403509 5.08290768461 91% => OK
Fourth root words length: 4.10876417139 4.04702891845 102% => OK
Word Length SD: 2.48562750747 2.5805825403 96% => OK
Unique words: 143.0 145.348785872 98% => OK
Unique words percentage: 0.501754385965 0.540411800872 93% => More unique words wanted or less content wanted.
syllable_count: 413.1 419.366225166 99% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 3.25607064018 0% => OK
Article: 8.0 8.23620309051 97% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 7.0 13.0662251656 54% => 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: 40.0 21.2450331126 188% => The Avg. Sentence Length is relatively long.
Sentence length SD: 58.8064969339 49.2860985944 119% => OK
Chars per sentence: 189.142857143 110.228320801 172% => OK
Words per sentence: 40.7142857143 21.698381199 188% => OK
Discourse Markers: 13.7142857143 7.06452816374 194% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 7.0 4.19205298013 167% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 2.0 4.27373068433 47% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.145978432229 0.272083759551 54% => OK
Sentence topic coherence: 0.064781395933 0.0996497079465 65% => OK
Sentence topic coherence SD: 0.0638380282183 0.0662205650399 96% => OK
Paragraph topic coherence: 0.0918227801297 0.162205337803 57% => OK
Paragraph topic coherence SD: 0.0692361292579 0.0443174109184 156% => OK
Essay readability:
automated_readability_index: 20.8 13.3589403974 156% => OK
flesch_reading_ease: 47.8 53.8541721854 89% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 16.5 11.0289183223 150% => OK
coleman_liau_index: 10.58 12.2367328918 86% => OK
dale_chall_readability_score: 8.67 8.42419426049 103% => OK
difficult_words: 55.0 63.6247240618 86% => OK
linsear_write_formula: 18.5 10.7273730684 172% => OK
gunning_fog: 18.0 10.498013245 171% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
Rates: 81.6666666667 out of 100
Scores by essay e-grader: 24.5 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.