how high is outer space - EAS
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Outer space does not begin at a definite altitude above the Earth's surface. The Kármán line, an altitude of 100 km (62 mi) above sea level, is conventionally used as the start of outer space in space treaties and for aerospace records See more
Outer space, commonly shortened to space, is the expanse that exists beyond Earth and its atmosphere and between celestial bodies. Outer space is not completely empty—it is a near perfect vacuum containing … See more
Outer space is the closest known approximation to a perfect vacuum. It has effectively no friction, allowing stars, planets, and moons to move freely along their ideal See more
Despite the harsh environment, several life forms have been found that can withstand extreme space conditions for extended periods. Species of … See more
The Outer Space Treaty provides the basic framework for international space law. It covers the legal use of outer space by nation states, and includes in its definition of outer space, the Moon, and other celestial bodies. The treaty states that outer space is free … See more
The size of the whole universe is unknown, and it might be infinite in extent. According to the Big Bang theory, the very early Universe was an extremely hot and dense state about 13.8 billion years ago which rapidly expanded. About 380,000 years later the Universe … See more
There is no clear boundary between Earth's atmosphere and space, as the density of the atmosphere gradually decreases as the altitude increases. There are several standard boundary designations, namely:
• The Fédération Aéronautique Internationale has … See moreA spacecraft enters orbit when its centripetal acceleration due to gravity is less than or equal to the centrifugal acceleration due to the horizontal component of its velocity. For a low Earth orbit, this velocity is about 7,800 m/s (28,100 km/h; 17,400 mph); by contrast, … See more
Wikipedia text under CC-BY-SA license How high up is outer space? - Medium
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- https://www.cosmox.net/2021/04/at-what-height-does-outer-space-begin.html
WebApr 04, 2021 · Experts have suggested the actual boundary between Earth and space lies anywhere from a mere 30 km above the surface to more than 1.6 million km away. …
- https://science.nasa.gov/how-high-space
WebDescription: Using the diameter of a pencil as a reference, students calculate and construct a line chart to show the relative height of several altitudinal points such as Earth's …
Space Today Online - chart of altitudes of some objects
www.spacetoday.org/SolSys/Earth/AltitudesChart.htmlWeb68 rows · SPACE starts here at 100 kilometers the view from here: 50 miles: NASA awards astronaut status for flights above 50 miles: 30-50 miles: Mesosphere of Earth's …

