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 tenor is mainly about an analysis of the possibilities for human to live under condition on Venus. The article shows three traits that demonstrates the inhospitable for human being. However, the professor in the lecture disagrees. He proposes that a floating station would be a solution to deal with the problems.
First of all, the atmospheric pressure for human survival. The paragraph suggests that the pressure at the surface of Venus is so high that people would be crashed and dead. However, the professor claims that the atmospheric condition at the height as sixty kilometer above the surface of Venus is equal to it of Earth and suitable for human to build a floating space station.
Secondly, the argument mentions that Venus lacks water and oxide-gen for human to sustain their life. In contrast, the teacher proposes that they could be extracted from carbon dioxide through chemical process.
Finally, the paragraph claims that the sunlight energy at the surface of Venus is barely to power machines and equipment because most sunlight is reflected by the thick cloud and only 40 percent of it is allowed to reach the surface. Moreover, the blocked layer consisting of carbon dioxide reduces energy of sunlight further. On the contrary, the professor proposes that the circumstance at the high floor, 60 kilometer above the surface of Venus, is able to collect the sunlight energy from both reflected back toward the sun and down to the surface. It effectively powers the electric machine and devices.
| Post date | Users | Rates | Link to Content |
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| 2023-07-14 | Zmx_6 | 80 | view |
| 2023-07-14 | Zmx_6 | 80 | view |
| 2023-06-25 | YasamanEsml | 65 | view |
| 2023-02-11 | reza_fattahi | 83 | view |
| 2023-02-11 | reza_fattahi | 76 | view |
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Grammar and spelling errors:
Line 2, column 258, Rule ID: CD_NN[1]
Message: Possible agreement error. The noun 'kilometer' seems to be countable, so consider using: 'kilometers'.
Suggestion: kilometers
...pheric condition at the height as sixty kilometer above the surface of Venus is equal to ...
^^^^^^^^^
Line 4, column 411, Rule ID: CD_NN[1]
Message: Possible agreement error. The noun 'kilometer' seems to be countable, so consider using: 'kilometers'.
Suggestion: kilometers
... the circumstance at the high floor, 60 kilometer above the surface of Venus, is able to ...
^^^^^^^^^
Transition Words or Phrases used:
finally, first, however, if, moreover, second, secondly, so, in contrast, first of all, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 11.0 10.4613686534 105% => OK
Auxiliary verbs: 3.0 5.04856512141 59% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 9.0 12.0772626932 75% => More relative clauses wanted.
Pronoun: 15.0 22.412803532 67% => OK
Preposition: 38.0 30.3222958057 125% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1273.0 1373.03311258 93% => OK
No of words: 250.0 270.72406181 92% => More content wanted.
Chars per words: 5.092 5.08290768461 100% => OK
Fourth root words length: 3.97635364384 4.04702891845 98% => OK
Word Length SD: 2.62457615626 2.5805825403 102% => OK
Unique words: 132.0 145.348785872 91% => More unique words wanted.
Unique words percentage: 0.528 0.540411800872 98% => OK
syllable_count: 393.3 419.366225166 94% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 11.0 8.23620309051 134% => 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: 13.0 13.0662251656 99% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 60.7955152504 49.2860985944 123% => OK
Chars per sentence: 97.9230769231 110.228320801 89% => OK
Words per sentence: 19.2307692308 21.698381199 89% => OK
Discourse Markers: 7.92307692308 7.06452816374 112% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.188761582312 0.272083759551 69% => OK
Sentence topic coherence: 0.0692086412986 0.0996497079465 69% => OK
Sentence topic coherence SD: 0.0569766020598 0.0662205650399 86% => OK
Paragraph topic coherence: 0.124884357899 0.162205337803 77% => OK
Paragraph topic coherence SD: 0.076619407955 0.0443174109184 173% => OK
Essay readability:
automated_readability_index: 12.2 13.3589403974 91% => Automated_readability_index is low.
flesch_reading_ease: 52.19 53.8541721854 97% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.7 11.0289183223 97% => OK
coleman_liau_index: 12.24 12.2367328918 100% => OK
dale_chall_readability_score: 8.31 8.42419426049 99% => OK
difficult_words: 59.0 63.6247240618 93% => OK
linsear_write_formula: 7.0 10.7273730684 65% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 10.0 11.2008830022 89% => OK
What are above readability scores?
---------------------
Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 Out of 30
---------------------
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.