where does space begin and end? - EAS

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  1. The Kármán Line

    The Kármán Line: Where does space begin? Earth ends and outer space starts at the Kármán line, some 62 miles (100 kilometers) above the planet’s surface.
    astronomy.com/news/2021/03/the-krmn-line-where-does-space-begin
    astronomy.com/news/2021/03/the-krmn-line-where-does-space-begin
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  2. People also ask
    Where does space begin?
    Astronaut in outer space against the backdrop of the planet earth. Elements of this image furnished by NASA. Most experts agree that space begins at the point where the orbital dynamic forces are more critical than aerodynamic forces. This is the region where atmosphere alone cannot support spacecraft at suborbital speeds.
    www.worldatlas.com/articles/where-does-the-atmospher…
    Where is the end of space?
    - WorldAtlas Where Is The End Of Space? There are many theories that tackle the ideas that explain the end of the universe. The universe is still expanding, 13.8 billion years ago from the Big Bang, so technically speaking - there are no borders. One fact that is hard to forget is the one that suggests how the resources of our universe are finite.
    www.worldatlas.com/articles/where-is-the-end-of-space.h…
    What is the distance between Earth and space called?
    The Boundary between Earth and Space. Today, the commonly agreed-upon definition of where space begins is around 100 kilometers (62 miles). It's also called the von Kármán line. Anyone who flies above 80 km (50 miles) in altitude is usually considered an astronaut, according to NASA.
    www.thoughtco.com/where-does-space-begin-3071112
    Why can't we know where space ends?
    This one feature makes it almost impossible to know where space ends. You guessed it - it is expansion. From the day that all the dense matter blew up (do not worry if you do not remember this event, the Big Bang was 13.8 billion years ago), the universe started expanding.
    www.worldatlas.com/articles/where-is-the-end-of-space.h…
  3. https://blog.byjus.com/knowledge-vine/where-does-space-begin-and-end

    May 29, 2022 · There is some debate over where exactly space begins. Is it the point where the Earth’s atmosphere ends? And if so, how does one measure the end of the atmosphere? While there is no specific answer, many experts speculate that space can begin anywhere between 30 km above the Earth’s surface to more than a million kilometres. The most widely accepted …

  4. https://www.worldatlas.com/articles/where-does-the...
    • The widely accepted boundary between the atmosphere and space is 62 miles above the sea level, but in 2018 astrophysicist Jonathan McDowell suggested that the edge of space should be 12 miles lower. McDowell argues that the Karman Line used today is as a result of decades of misinterpretation of information that does not account for orbital data. A...
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    • https://www.livescience.com/where-earth-atmosphere-ends

      May 01, 2022 · This is the area scientists have decreed marks our atmosphere's end, and space's beginning. It's known as the Kármán line, named after Theodore von Kármán, a Hungarian …

    • https://www.worldatlas.com/articles/where-is-the-end-of-space.html
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      First of all, from the current dominant cosmological theories - yes, our cosmos indeed does have an expiration date. There are many theories that tackle the ideas that explain the end of the universe. If you want to put things into perspective, that is not something humankind will ever witness, at least not on this planet or this u
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      • Estimated Reading Time: 4 mins
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