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​📰​ ARTICLE: The Universe, Outer Space & Deep Space



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The universe is everything physical that exists, including all celestial objects, matter, energy, galaxies, and solar systems. The universe continues to expand, making "measuring space" even more challenging. Astronomers are not totally sure if our universe is the only one that exists.

Space is the empty void between all these things.

Outer space includes the region within our solar system, including planets, moons, asteroids, comets, and the Sun. Deep space, on the other hand, typically refers to regions of space that are far away from any significant celestial body or source of gravity. Outer space is the part of the universe that's outside of Earth's atmosphere. Outer space is the part of the universe that's outside of Earth's atmosphere. Earth is part of the universe, but by definition not part of outer space. The Kármán line, which is 100 kilometers (62 miles) above the Earth's surface, is the boundary between the Earth's atmosphere and outer space. This definition is accepted by the Fédération Aéronautique Internationale (FAI).

Deep space is a region that extends beyond the Earth-moon system, while outer space refers to the area beyond the Earth's atmosphere. Deep space is often considered to be anything further away from Earth than our moon and can refer to things beyond our solar system entirely. The International Telecommunication Union defines "deep space" to start at a distance of 2 million km (approximately 0.01 AU) from the Earth's surface. NASA's Deep Space Network has used criteria ranging from 16,000 to 32,000 kilometers from Earth. For NASA and the Deep Space Network, deep space starts just past the Moon's orbit and includes the solar system and beyond.

Mars is full of deserts, it is extremely cold, and has too low gravity. Your bodily fluids, such as mucus, saliva, etc. would evaporate, making you completely parched. Without any protective suit and oxygen, you would only get about 2 minutes to be on Mars.

What The Journey To Mars Will Be Like?


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