Definitions for outer space
out·er space

Princeton's WordNetRate this definition:2.0 / 1 vote

1. outer space, spacenoun

   any location outside the Earth's atmosphere

   "the astronauts walked in outer space without a tether"; "the first major milestone in space exploration was in 1957, when the USSR's Sputnik 1 orbited the Earth"

WiktionaryRate this definition:0.0 / 0 votes

1. outer spacenoun

   Region outside explored space.

2. outer spacenoun

   Any region of space beyond limits determined with reference to boundaries of a celestial system or body, especially the region of space immediately beyond Earth's atmosphere

3. Etymology: From outer + space.

WikipediaRate this definition:0.0 / 0 votes

1. Outer space

   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 a low density of particles, predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, neutrinos, dust, and cosmic rays. The baseline temperature of outer space, as set by the background radiation from the Big Bang, is 2.7 kelvins (−270 °C; −455 °F).The plasma between galaxies is thought to account for about half of the baryonic (ordinary) matter in the universe, having a number density of less than one hydrogen atom per cubic metre and a kinetic temperature of millions of kelvins. Local concentrations of matter have condensed into stars and galaxies. Intergalactic space takes up most of the volume of the universe, but even galaxies and star systems consist almost entirely of empty space. Most of the remaining mass-energy in the observable universe is made up of an unknown form, dubbed dark matter and dark energy.Outer space does not begin at a definite altitude above 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 keeping. Certain portions of the upper stratosphere and the mesosphere are also sometimes referred to as "near space". The framework for international space law was established by the Outer Space Treaty, which entered into force on 10 October 1967. This treaty precludes any claims of national sovereignty and permits all states to freely explore outer space. Despite the drafting of UN resolutions for the peaceful uses of outer space, anti-satellite weapons have been tested in Earth orbit. Humans began the physical exploration of space during the 20th century with the advent of high-altitude balloon flights. This was followed by crewed rocket flights and, then, crewed Earth orbit, first achieved by Yuri Gagarin of the Soviet Union in 1961. Due to the high cost of getting into space, human spaceflight has been limited to low Earth orbit and the Moon. On the other hand, uncrewed spacecraft have reached all of the known planets in the Solar System. Outer space represents a challenging environment for human exploration because of the hazards of vacuum and radiation. Microgravity also has a negative effect on human physiology that causes both muscle atrophy and bone loss. In addition to these health and environmental issues, the economic cost of putting objects, including humans, into space is very high.

ChatGPTRate this definition:0.0 / 0 votes

1. outer space

   Outer space is the vast, seemingly infinite expanse that exists beyond the Earth's atmosphere and between celestial bodies. It is a vacuum, nearly empty of matter, where conditions are extremely cold and dark. Outer space is where all the planets, stars, galaxies, and other forms of matter and energy exist.

WikidataRate this definition:0.0 / 0 votes

1. Outer space

   Outer space, or simply space, is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles: predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, and neutrinos. The baseline temperature, as set by the background radiation from the Big Bang, is 2.7 kelvin. Plasma with a density of less than one hydrogen atom per cubic meter and a temperature of millions of kelvin in the space between galaxies accounts for most of the baryonic matter in outer space; local concentrations have condensed into stars and galaxies. In most galaxies, observations provide evidence that 90% of the mass is in an unknown form, called dark matter, which interacts with other matter through gravitational but not electromagnetic forces. Data indicates that the majority of the mass-energy in the observable Universe is a poorly-understood vacuum energy of space which astronomers label dark energy. Intergalactic space takes up most of the volume of the Universe, but even galaxies and star systems consist almost entirely of empty space. There is no firm boundary where space begins. However the Kármán line, at an altitude of 100 km above sea level, is conventionally used as the start of outer space in space treaties and for aerospace records keeping. The framework for international space law was established by the Outer Space Treaty, which was passed by the United Nations in 1967. This treaty precludes any claims of national sovereignty and permits all states to freely explore outer space. In 1979, the Moon Treaty made the surfaces of objects such as planets, as well as the orbital space around these bodies, the jurisdiction of the international community. Despite the drafting of UN resolutions for the peaceful uses of outer space, anti-satellite weapons have been tested in Earth orbit.

Matched Categories

1. • Location
   • Space

How to pronounce outer space?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say outer space in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of outer space in Chaldean Numerology is: 8

2. Pythagorean Numerology

   The numerical value of outer space in Pythagorean Numerology is: 6

Examples of outer space in a Sentence

1. Jonathan McDowell:

   The overall message from both the junk issue and the re-entry issue is, weneed reasonable international governance of humanity's use of outer space.

2. Gillian Anderson:

   By the time there's another invasion of artificially intelligent dung-eating robotic probes from outer space, maybe their uber-children will have devised a way to save our planet.

3. Kim Il Sung:

   We are developing satellite technology, we are exploring outer space, not because we are in a very good position, well off economically. We still have a lot of economic problems. Even today we are tightening our belts to survive and to improve. All the same, we are investing a lot into this space program. We will continue, regardless of what people say.

4. Wernher Von Braun:

   There is just one thing I can promise you about the outer-space program: your dollar will go further.

5. Thomas Boothby:

   They've been shown to survive and reproduce during spaceflight, and can even survive prolonged exposure to the vacuum of outer space.

References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=outer space
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Outer_Space
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Outer_Space
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=outer space