#SpaceTravel #BlueSky #SpaceTransition #RealLifeVsMovies
Have you ever wondered how accurate movies and TV shows are when it comes to the transition from the blue sky to the blackness of space? 🚀 It’s a common visualization in space travel scenes that the transition happens almost instantly, but how does it look in real life? Let’s dive into the reality of space travel and explore the transition from the blue sky to the blackness of space.
The Reality of Space Travel
In reality, the transition from the blue sky to the blackness of space is not as dramatic as it is often depicted in movies and TV shows. While it may seem like a quick change in visual appearance, the actual transition is a bit more gradual due to the Earth’s atmosphere and the vastness of space. Here’s a closer look at the factors that contribute to the transition:
1. Earth’s Atmosphere
– The Earth’s atmosphere gradually thins out as you ascend into space.
– The blue color of the sky is a result of Rayleigh scattering, where the shorter blue wavelengths of light are scattered more than the longer red wavelengths.
– As you travel higher into the atmosphere, the blue color starts to fade, and the sky begins to darken.
2. The Vastness of Space
– Once outside of the Earth’s atmosphere, you are greeted with the vast expanse of space.
– The transition from the last traces of atmosphere to the blackness of space is a gradual shift in visual perception.
Real-life Examples
Several astronauts have shared their experiences of the transition from the blue sky to the blackness of space. Here are a few examples of how they described the visual change:
– Chris Hadfield, a Canadian astronaut, described the transition as a “subtle, gradual darkening” as he ascended into space.
– Astronaut Scott Kelly noted that the shift from the blue sky to the blackness of space was gradual, and the change in color was not as abrupt as it is often depicted in movies.
– Samantha Cristoforetti, an Italian astronaut, described the transition as a “subtle change in light and colors” as she entered the darkness of space.
The Reality of Visual Change in Space Travel
While movies and TV shows often depict the transition as a quick and dramatic change from blue to black, the reality is a bit different. The transition from the blue sky to the blackness of space is a gradual process due to the Earth’s atmosphere and the vastness of space. It’s important to remember that the portrayal of space travel in entertainment media is often exaggerated for dramatic effect.
In Conclusion
In real life, the transition from the blue sky to the blackness of space does not happen as quickly as it is often shown in movies and TV shows. The Earth’s atmosphere and the vastness of space contribute to a more gradual shift in visual perception as you ascend into space. While entertainment media may exaggerate the transition for dramatic effect, the reality of space travel offers a unique and awe-inspiring experience that cannot be fully captured on screen. So, the next time you watch a space travel scene, keep in mind the real-life nuances of the transition from the blue sky to the blackness of space. 🌌 #SpaceTravelReality
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Everything depends on the atmosphere, on Earth the atmosphere has many layers and its density does not fall drastically with increasing altitude, so it seems to me that in the case of Earth there would not be a very dynamic transition.
Edit: Also it depends on your velocity, but that’s quite obvious.
The sky appears black to humans at around 100km. This is called the Kármán line after Theodore von Kármán (1881–1963), a Hungarian-American engineer and physicist who was active in aeronautics and astronautics. This level is often taken as a conventional boundary between the atmosphere and space.
The sort of primitive rockets used by NASA etc take like 8-9 minutes to reach this level. Sci-fi ships can of course do it in a fraction of the time due to more advanced technologies. This is way more dramatic and requires less plot filler.
It’s a slower transition in real life. I know that high altitude planes can get high enough (around 30km?) To see blackish sky above them, and bluish at the horizon.
I think 50% of the atmosphere(by mass) is below 5km if I recall correctly, so the sky is already somewhat less blue when you climb a mountain.