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What does outer space mean?
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'Outer space' begins about 100 km above the Earth, where the shell of air around our planet disappears. With no air to scatter sunlight and produce a blue sky, space appears as a black blanket dotted with stars. Space is usually regarded as being completely empty. But this is not true.
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Exploring space is very difficult because it contains no air and is so large that even the fastest ships can only explore a tiny part of it. It takes 3 days of traveling to reach the Moon and, depending on speed, it would take a long time to reach the closest star Proxima Centauri. Manned spacecraft are designed to keep good air inside them and to ...
This is an artist's concept of the metric expansion of space, where a volume of the Universe is represented at each time interval by the circular sections. At left is depicted the rapid inflation f...Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies interspersed by deep vacuum. Given the finite speed of light, this view covers the past 13 billion y...Because of the hazards of a vacuum, astronauts must wear a pressurized space suitwhile off-Earth and outside their spacecraft.Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 260 km)May 6, 2024 · Planet: A large body in outer space that circles around the sun or another star. Pulsar: An object, thought to be a rapidly rotating neutron star. It releases short pulses of radio waves and other electromagnetic radiation. Quasar: Compact area in the center of a massive galaxy that is around a supermassive black hole.
The meaning of OUTER SPACE is space immediately outside the earth's atmosphere; broadly : interplanetary or interstellar space. How to use outer space in a sentence.
some elements of outer outer space : asteroids, black hole, comets, dust, galaxies, gas, meteors, milky way, moons, nebulae, quasars, satellites, solar system, stars, voids: some people associated with outer space : alien, astronaut, astronomer, cosmonaut: some places associated with outer space : observatory, planetarium: some planets in outer ...
Jun 11, 2021 · What is Outer Space? | Science for Kids | Learn About the Solar System & Constellations - YouTube. GIGIL | STEM Activities for Kids. 1.42K subscribers. 107 views 2 years ago. Let's learn...
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The short answer is that space is the part of the universe that is past the Kármán Line, which is the separation between Earth’s atmosphere and everything else. The Kármán Line is roughly 62 miles or 100km above the Earth’s surface where the atmosphere of our planet stops scattering light – which is also why our skies are blue!
