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- Dictionaryorbit/ˈɔːbɪt/
noun
- 1. the curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution: "the Earth's orbit around the sun" Similar
- 2. an area of activity, interest, or influence: "audiences drawn largely from outside the Party orbit" Similar
verb
- 1. (of a celestial object or spacecraft) move in orbit round (a star or planet): "Mercury orbits the Sun"
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6 hours ago · In practice, the black holes that we observe astrophysically tend to have a lot of matter around them. But this isn't a property unique to black holes. Many massive objects tend to accrete – that is, attract – more matter into their orbit. The sun, for example, has a solar system that probably formed from an accretion disc around it.
1 day ago · These flights are part of NASA's initiative to stream high-bandwidth video and other data from deep space, supporting future human missions beyond low Earth orbit. As NASA continues to develop advanced instruments for capturing high-definition data on the Moon and beyond, the Space Communications and Navigation (SCaN) program embraces laser communications to send large amounts of information ...
9 hours ago · In a first, Nasa has used laser communication technology to send 4K video streams from an aircraft to the International Space Station (ISS) and back, a feat that is part of a series of tests on a ...
6 hours ago · Among the notable contributions, Vrable and Vrable 3 proposed a phase change temperature control system for phased array antennas on low Earth orbit satellites, which absorbs a considerable amount ...
6 hours ago · At low earth orbit altitudes, sufficient atomic oxygen is present to cause corrosion of spacecraft. The metastable molecule tetraoxygen (O 4) was discovered in 2001, and was assumed to exist in one of the six phases of solid oxygen. It was proven in 2006 that this phase, created by pressurizing O 2 to 20 GPa, is in fact a rhombohedral O
6 hours ago · A word w is called a reaching word of a subset S of states in a deterministic finite automaton (DFA) if S is the image of the whole state set under the action of w. A DFA is called completely reachable if every non-empty subset of the state set has a reaching word....
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