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Gaia is a space observatory of the European Space Agency (ESA), launched in 2013 and expected to operate until 2025. The spacecraft is designed for astrometry: measuring the positions, distances and motions of stars with unprecedented precision, [5] [6] and the positions of exoplanets by measuring attributes about the stars they orbit such as their apparent magnitude and color. [7]
Gaia, Inc. is an American media company founded in 1988 by Jirka Rysavy in Louisville, Colorado. It owns and operates Gaia TV, an over-the-top subscription video on ...
Gaia BH1: 9.62 M ☉ (1.913 × 10 31 kg; 4.22 × 10 31 lb) Main-sequence star with dormant compact mass binary First dormant black hole discovered, First Sun-like star in black hole binary system discovered: First detected via positional shifts of visible companion [19] [20] [21] 1986—2022 3,000 ly (2.8 × 10 16 km; 1.8 × 10 16 mi)
The Greek name Γαῖα (Gaia Ancient Greek: or ) is a mostly epic, collateral form of Attic Γῆ (Gē), and Doric Γᾶ (Ga), [3] perhaps identical to Δᾶ (Da), [6] both meaning "Earth". Some scholars believe that the word is of uncertain origin. [ 7 ]
Gaia BH3 (Gaia DR3 4318465066420528000) is a binary system consisting of a metal-poor giant star with spectral type G and a stellar-mass black hole. Gaia BH3 is located 1926 light years away ( 590.6 ± 5.8 pc away) in the constellation of Aquila .
Gaia BH1 (Gaia DR3 4373465352415301632) is a binary system consisting of a G-type main-sequence star and a likely stellar-mass black hole, located about 1,560 light-years (478 pc) away from the Solar System in the constellation of Ophiuchus. [4]
Vila Nova de Gaia (European Portuguese: [ˈvilɐ ˈnɔvɐ ðɨ ˈɣajɐ] ⓘ; Proto-Celtic: *Cale), or simply Gaia, is a city and a municipality in Porto District in Norte Region, Portugal. It is located south of the city of Porto on the other side of the Douro River .
The name is derived from the Gaia hypothesis, which is itself eponymous to Gaia, the Earth goddess. Gaia is located in the Sayshell Sector, about ten parsecs (32 light-years) from the system Sayshell itself. It orbits a G-4 class star and has one natural satellite (50 km or 31 miles in diameter).