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A multiple star system consists of two or more stars that appear from Earth to be close to one another in the sky. [dubious – discuss] This may result from the stars actually being physically close and gravitationally bound to each other, in which case it is a physical multiple star, or this closeness may be merely apparent, in which case it is an optical multiple star [a] Physical multiple ...
This star system belongs to the Zeta Herculis Moving Group of stars that share a common motion through space, suggesting that they have a common origin. In the galactic coordinate system , the [U, V, W] components of the space velocity for this system are equal to [−70.2, −47.4, +16.4] km/s for ζ 1 and [−69.7, −46.4, +16.8] km/s for ζ ...
TrES-2b (also known as Kepler-1b or GSC 03549-02811b) is an extrasolar planet orbiting the star GSC 03549-02811 located 750 light years away from the Solar System.The planet was identified in 2011 as the darkest known exoplanet, reflecting less than 1% of any light that hits it.
GE-2, called AMC-2 after 2001, is a privately owned American communications satellite launched in 1997. It was the first of the GE series to be launched outside the United States . [ 1 ] It was launched by an Ariane 44L on 30 January 1997 at 22:04:00 UTC , flying from ELA-2 , Centre Spatial Guyanais alongside another satellite, Nahuel 1A .
Name Location Owner(s) Years active Notes World Wonder Ring Stardom: Tokyo: Bushiroad: 2010– As of July 2024, The company become a Fully-owned subsidiary of New Japan Pro-Wrestling. Tokyo Joshi Pro-Wrestling: Tokyo: CyberAgent: 2012– As of July 2020, TJPW is promoted as one of the three brands under the CyberFight umbrella.
The earliest naming system which is still popular is the Bayer designation using the name of constellations to identify the stars within them. [1] The IAU is the only internationally recognized authority for assigning astronomical designations to celestial objects and surface features on them. [2]
Zeta Ceti is the primary or 'A' component of a double star system designated WDS J01515-1020 (the secondary or 'B' component is HD 11366). [10] Zeta Ceti's two components are therefore designated WDS J01515-1020 Aa and Ab. Aa is officially named Baten Kaitos / ˈ b eɪ t ən ˈ k eɪ t ɒ s /, the traditional name of the entire system. [11] [12]
ζ Cancri (Latinised to Zeta Cancri) is the system's Bayer designation; ζ 1 Cancri and ζ 2 Cancri those of its two constituents. The designations of the two constituents as ζ Cancri AB and C, and those of their components—ζ Cancri A, B, Ca, Cb, Cb1 and Cb2—derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the ...