2202: Earth-Like Exoplanet - Revision history

162.158.74.48: /* Explanation */

2024-03-07T08:26:57Z

‎Explanation

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2023-05-15T23:38:03Z

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@@ Line 18: / Line 18: @@
 * Strong acids are present in some planetary atmospheres, {{w|Atmosphere_of_Venus#Composition|including sulfuric acid in Venus's}}, and their hypothetical presence in the exoplanet's atmosphere would make life there even less likely. While life that evolves in a highly acidic environment might be able to withstand it, most life on Earth reacts poorly to strong acids. There is no reason to believe that the atmosphere of K2-18b is acidic. Apart from water the {{w|K2-18b#Discovery_of_water|atmosphere mainly consists}} of hydrogen and helium. However, there is also reason to believe the planet has {{w|K2-18b#Discovery_of_water|no solid surface}}.
-Finally Megan describes the planet as being covered in "swinging blades." This could be a metaphorical allusion comparing the planet's dire straits to the Edgar Allan Poe poem "The {{w|Pit and the Pendulum}}," where the titular pendulum was a large blade swinging back and forth slowly. Due to the fame of Poe's work and the number of allusions made to it over the years, swinging blades have become a common feature in fictional deathtraps, and were used as an analogy to illustrate that the planet is chronically inhospitable to life. It could also be literal, a punchline to demonstrate the planet is ''so'' utterly inhospitable all life forms on the planet would have to squeeze between giant chopping razors.
+Finally Megan describes the planet as being covered in "swinging blades." This could be a metaphorical allusion comparing the planet's dire straits to the Edgar Allan Poe poem "{{w|The Pit and the Pendulum}}," where the titular pendulum was a large blade swinging back and forth slowly. Due to the fame of Poe's work and the number of allusions made to it over the years, swinging blades have become a common feature in fictional deathtraps, and were used as an analogy to illustrate that the planet is chronically inhospitable to life. It could also be literal, a punchline to demonstrate the planet is ''so'' utterly inhospitable all life forms on the planet would have to squeeze between giant chopping razors.
 "Biosignatures in the form of screaming" suggests that any life that had developed on the planet would be in continuous pain or fear due to their hazardous surroundings. In addition, this suggests that the screaming of these organisms would cause ripples in the atmosphere which we should be able to detect light-years away through the vacuum of space and that it would be more noticeable than other signs of life (such as the spectra from the ash produced by burning organic material.)

@@ Line 18: / Line 18: @@
 * Strong acids are present in some planetary atmospheres, {{w|Atmosphere_of_Venus#Composition|including sulfuric acid in Venus's}}, and their hypothetical presence in the exoplanet's atmosphere would make life there even less likely. While life that evolves in a highly acidic environment might be able to withstand it, most life on Earth reacts poorly to strong acids. There is no reason to believe that the atmosphere of K2-18b is acidic. Apart from water the {{w|K2-18b#Discovery_of_water|atmosphere mainly consists}} of hydrogen and helium. However, there is also reason to believe the planet has {{w|K2-18b#Discovery_of_water|no solid surface}}.
-The comic uses '''swinging blades''' as a metaphor to succinctly describe the planet's perilous conditions. That is, as far we know, there are no actual swinging blades on K2-18b.{{Citation needed}} Swinging blades made their first famous appearance in the Edgar Allan Poe poem "The {{w|Pit and the Pendulum}}," where the titular pendulum was a large blade swinging back and forth slowly. Due to the fame of Poe's work and the number of allusions made to it over the years, swinging blades have become a common feature in fictional deathtraps, and were used as an analogy to illustrate that the planet is chronically inhospitable to life.
+Finally Megan describes the planet as being covered in "swinging blades." This could be a metaphorical allusion comparing the planet's dire straits to the Edgar Allan Poe poem "The {{w|Pit and the Pendulum}}," where the titular pendulum was a large blade swinging back and forth slowly. Due to the fame of Poe's work and the number of allusions made to it over the years, swinging blades have become a common feature in fictional deathtraps, and were used as an analogy to illustrate that the planet is chronically inhospitable to life. It could also be literal, a punchline to demonstrate the planet is ''so'' utterly inhospitable all life forms on the planet would have to squeeze between giant chopping razors.
 "Biosignatures in the form of screaming" suggests that any life that had developed on the planet would be in continuous pain or fear due to their hazardous surroundings. In addition, this suggests that the screaming of these organisms would cause ripples in the atmosphere which we should be able to detect light-years away through the vacuum of space and that it would be more noticeable than other signs of life (such as the spectra from the ash produced by burning organic material.)