How Far Is 80 Km In Miles

How Far Is 80 Km In Miles – Humans have been flying into space for over 60 years, and since then the debate over how long it takes to get to space has not subsided. Every film about space travel has a moment when a rocket takes off from the launch pad in a cloud of fire and smoke, and you can see how the image in the window changes from a cloudy sky in a matter of seconds. Everyone knows the peaceful blue-black expanse. There is space! But is it as simple as the movies make it out to be? In one of our articles, “How long does it take to get to the moon?” We asked the question. Now let’s find out how long it takes to go to space.

The Federation of International Aeronautics (FAI) officially considers space to be 100 km or 62 miles above sea level. This imaginary boundary is called the Karman line after the American scientist Theodore von Karman. He proved that at this altitude the Earth’s atmosphere is thin enough to make aviation useless. Aerodynamics and wings are irrelevant because the aircraft speed required to generate sufficient lift is greater than the orbital speed of 7.91 km/s, relying on astronaut technology to achieve high altitudes.

How Far Is 80 Km In Miles

The US Air Force has a different opinion. He believes that spaceflight starts at an altitude of 80 kilometers or 50 miles. However, during the spacecraft’s flight, the Mission Control Center in Houston identified an altitude of 122 km as the boundary of space. Why? It is the altitude at which the spacecraft begins to experience atmospheric drag during landing.

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So who is it right for? Perhaps the FAI has adopted the Karmann line as a standard, but in fact there are still no physical or legally established boundaries of space. How long it takes to reach space depends on the mission goal. The ultimate goal of modern spaceflight is near-Earth orbit, the Lagrangian point, the Moon or other planets in the Solar System extending beyond 200 km altitude, and all these places require space velocity. That is why the Karman Line is still marked as the first boundary of the road.

In July 2021, Jeff Bezos, founder of aerospace company Blue Origin, and three others completed a tourist space flight to an altitude of 107 kilometers. The New Shepard spacecraft flew in an elliptical orbit, crossed the Kallman line after about three and a half minutes, then returned to Earth under the influence of Earth’s gravity and descended by parachute. The entire flight took only ten minutes, three hours of which the astronauts spent in zero gravity.

Does this mean the Blue Origin crew has gone into space? New Shepard had a top speed of 3,595 km/h, which was enough to cross the Kerman Line, but not enough to reach low Earth orbit. That’s why New Shepard’s flight is considered suborbital.

Therefore, we establish that a velocity less than the initial cosmic velocity of 7.91 km/s is sufficient for the rocket to reach the Karman line. This is sufficient for suborbital flight, but orbital missions require 1 space velocity or higher, and interplanetary missions require 2 space velocities (11.2 km/s). This is the speed required for a spacecraft to overcome Earth’s gravity and leave a near-Earth orbit.

Kilometers Per Hour To Miles Per Hour Conversion (km/h To Mph)

A space flight system must have the right performance envelope (engine thrust, launch weight, number of boost stages, etc.) to perform a given mission. Next, decide the flight route and its time. To cross the Karman line, it is usually enough to pass the first stage, and sometimes the second stage. The more powerful the engine, the easier and faster the ship gets through the most difficult part of the journey: its exit from Earth’s atmosphere. After all the fuel is burned in the first stage, it separates and the second stage is switched on. For example, a sufficiently powerful spacecraft with an extra upper stage took two and a half minutes to reach the Kerman line. Let’s see how long it takes a modern rocket to reach space.

As you can see, it takes an average of 3-4 minutes to cross the Karman line. It takes another 5-7 minutes to reach stable LEO (200 km). Of course, everything depends on the spacecraft and flight conditions, but these figures are enough to simply answer the question of how long it takes to go to space. Now let’s see further.

The International Space Station (ISS) is one of the most important destinations for space travel. Since its inception in 1998, manned and freight vehicles have been arriving regularly. Crews that have flown to the ISS include Space Shuttle (37), Progress (84), Soyuz (66), Dragon (32), and Cygnus (18). The total number of operations at this moment is 257.

ISS is in low earth orbit 420 km or 227 nautical miles from Earth. This is the average reading for the trajectory points. The station, the size of a football field, appears as the third brightest point in the night sky and moves like an airplane, but without the flashing lights.

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So how long does it take to reach the ISS? Typically, this time varies from 6 hours to 3 days depending on the spacecraft type and mission profile. Progress MS 17 space shuttle set speed record. On October 14, 2021, the manned mission reached the ISS in just 3 hours and 7 minutes.

SpaceX has been delivering cargo to the ISS since 2013. In 2020, the company conducted the first manned flight of Crew Dragon with two astronauts, reaching the ISS in 19 hours. NASA’s 2021 Crew-3 mission was even longer, lasting 21 hours and 29 minutes. So while the Crew-4 mission was being prepared, many wondered how long it would take to reach the International Space Station. On April 27, 2022, Crew Dragon delivered four astronauts to the ISS 15 hours and 45 minutes after launch.

Humanity has found an answer to the question of how long it will take to go into space, but we are unlikely to agree on where it will end. After all, its scope is limitless, and 60 years after the first space flight, we are still at the beginning of this endless journey.

Richard is an established commentator with a strong political background and career spanning the energy sector (oil, gas, renewables) and space industry (satellites, launch, telemetry). A self-proclaimed environmentalist, he is particularly passionate about the role the Scottish space industry can play in addressing the global climate emergency.

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By continuing to use, you agree to the website’s terms of use and the use of cookies while using the website and our services. Please also read our Privacy Policy. To the extent stated, you consent to the processing of your personal data. This article is about the distances between celestial bodies. See Spaces for general concepts. For other uses, see Universe (disambiguation).

Interface between Earth’s surface and space. The Karman Line is shown at an altitude of 100 km (62 miles). Layers of the atmosphere are drawn to scale, but objects within, such as the International Space Station, are not.

Space, commonly referred to as the Universe, is the expanse between the celestial bodies beyond Earth and its atmosphere. Space is not completely empty. It is almost a perfect vacuum

It consists of low density particles, mostly hydrogen and helium plasmas, as well as electromagnetic radiation, magnetic fields, neutrinos, dust and cosmic rays. The reference temperature in space, set by background radiation from the Big Bang, is 2.7 Kelvin (−270 °C; −455 °F).

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Intergalactic plasma is thought to contain about half of the baryonic (normal) matter in the Universe, with a number density of less than one hydrogen atom per cubic meter and a kinetic temperature of several million Kelvin.

Local condensation of matter condensed into stars and galaxies. Intergalactic space occupies most of the universe’s volume, while galaxies and star systems comprise almost all of the empty space. Most of the remaining mass of ergs in the observable universe is composed of an unknown form of dark matter or dark ergs.

Space does not begin at a fixed height above the Earth’s surface. Karman Line, at an altitude of 100 km (62 mi).

It is traditionally used as the initialization of space in the space treaty and for aerospace record keeping. Some parts of the upper stratosphere and mesosphere are sometimes called “near space”. The framework of international outer space law was established by the Outer Space Treaty, which entered into force on October 10, 1967. The treaty removes and permits national sovereignty rights.

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