[DOC] [TLE] Binary star - Wikipedia [PAR] A binary star is a star system consisting of two stars orbiting around their common 
barycenter. Systems of two or more stars are called multiple star systems. These 
systems, especially when more distant, often appear to the unaided ... This 
should be called a real double star; and any two stars that are thus mutually 
connected... [DOC] [TLE] Star system - Wikipedia [PAR] A star system or stellar system is a small number of stars that orbit each other, 
bound by gravitational attraction. A large number of stars bound by gravitation is 
generally called a star cluster or galaxy, although, broadly speaking, they are 
also star ... A star system of two stars is known as a binary star, binary star system 
or... [DOC] [TLE] Binary Stars [PAR] Planet's revolve around stars because of gravity. ... If two stars orbit each other at 
large separations, they evolve independently and are ... 2nd law (law of equal 
areas): a line between one star and the other (called the ... It is now recognized 
that these brightness changes are due to the eclipsing of one star by another (as
... [DOC] [TLE] binary star | astronomy | Britannica.com [PAR] A high proportion, perhaps one-half, of all stars in the Milky Way Galaxy are ... 
Binary star, also called double star, pair of stars in orbit around their common 
centre of ... Stars whose components are too close to each other to be 
distinguished ... Some stellar systems with so-called invisible companions are 
binaries; these... [DOC] [TLE] Binary Stars - the Peoria Astronomical Society! [PAR] From these facts alone, it is difficult to tell just how much mass they contain. By 
looking at ... one another. They orbit each other around a common center called 
the barycenter. ... One of the stars in the pair is actually behind the first star and 
very far away. ... It is also possible to detect binary stars using a spectroscope. If 
two... [DOC] [TLE] Binary star - New World Encyclopedia [PAR] Jun 9, 2016 ... A binary star is a star system consisting of two stars orbiting around their center of 
mass. ... our line of sight, they will eclipse each other; these are called eclipsing 
binaries. .... Double stars are also designated by an abbreviation giving the ..... 
Planets that orbit just one star in a binary pair are said to have... [DOC] [TLE] Binary star - CreationWiki, the encyclopedia of creation science [PAR] Binary stars orbit around each other and will always be across from each other in 
their orbit. ... This should be called a real double star; and any two stars that are 
thus ... In 1889 H.C. Vogel discovered that Algol was also a spectroscopic binary 
star. ... One way that astronomers find if a system is binary was found with the... [DOC] [TLE] Astronomy:Algols, Reverse Algols, Super Giants - UNL Astronomy [PAR] Binary stars differ from single stars in that they move about one another in an 
eternal slow ... "In the early 1970s, we observed contact systems, now called 
massive or ... in contact as they revolve around each other like close pairs of 
binary stars. ... mass as Algol systems (named after one of the earliest double star 
systems... [DOC] [TLE] Popular Binary Star Systems - Space Art and Astronomical Illustrations [PAR] Some are even visible to the naked eye, while other require the use of ... Algol, 
the famous eclipsing binary star is located 93 light years away, in the 
constellation ... During this cycle, in which two eclipses occur, one eclipse makes 
the system ... It takes about 500 000 years to complete an orbit around these two 
stars, but it is... [DOC] [TLE] Binary star - McGill School Of Computer Science [PAR] A binary star is a stellar system consisting of two stars orbiting around their centre 
of mass. ... line of sight, they will eclipse each other; these are called eclipsing 
binaries. ... "a real double star - the union of two stars that are formed together in 
one .... The orbit of a spectroscopic binary is determined

Question: Algol is one of these, 2 stars revolving around each other, also called a double star
Answer: a binary star