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Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun.
Euler diagram showing the IAU Executive Committee conception of the types of bodies in the Solar System.. The International Astronomical Union (IAU) defined in August 2006 that, in the Solar System, [1] a planet is a celestial body that:
The physical universe is defined as all of space and time [a] (collectively referred to as spacetime) and their contents. [10] Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.
Astronomy (from the Greek ἀστρονομία from ἄστρον astron, "star" and -νομία -nomia from νόμος nomos, "law" or "culture") means "law of the stars" (or "culture of the stars" depending on the translation).
This is a list of well-known online encyclopedias that are accessible or formerly accessible on the Internet.. The largest online encyclopedias are general reference works, though there are also many specialized ones.
After that, in 1955 Ensiklopedia Indonesia by Todung Sunan Gunung Mulia was published by publisher W. van Hoeve, Bandung (not to be confused by 1980's Ensiklopedi Indonesia published by Ichtiar Baru van Hoeve, Jakarta). [7] [8]
The state of matter refers to the distinct forms that different phases of matter take on.
Another early online encyclopedia was called the Global Encyclopedia.In November 1995, James Rettig, Assistant Dean of University Libraries for Reference and Information Services at College of William & Mary, presented an unfavorable review at the 15th Annual Charleston Conference on library acquisitions and related issues.