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Closest star to the Sun with exactly six [29] exoplanets, and closest K-type main sequence star to the Sun with a multiplanetary system. One of the oldest stars with a multiplanetary system, although it is still more metal-rich than the Sun. None of the known planets is in the habitable zone. [30] 61 Virginis: Virgo: 13 h 18 m 24.31 s: −18 ...
Stars in the most distant orbit around one another Regulus/SDSS J1007+1930 2024 ~3.9 parsecs (13 ly) [84] Nearest multiple star system: Alpha Centauri: 1839 1.30 parsecs (4.2 ly) This was one of the first three stars to have its distance measured. [85] [86] [9] [87] Nearest solitary star Barnard's Star: 1916 1.83 parsecs (6.0 ly) Nearest binary ...
The η Carinae star system is currently one of the most massive stars that can be studied in great detail. Until recently η Carinae was thought to be the most massive single star, but the system's binary nature was proposed by the Brazilian astronomer Augusto Damineli in 1996 [9] and confirmed in 2005. [98]
Pictures show how the stars look during a period known as the cosmic noon - the middle ages of the universe when the most stars were born. ... is the period when the number of stars created in the ...
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 ...
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo that contains several trillion stars. One of the largest and most massive galaxies in the local universe, [b] it has a large population of globular clusters—about 15,000 compared with the 150–200 orbiting ...
The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from Earth. The brightest, most massive and most luminous object among those 131 is Sirius A , which is also the brightest star in Earth's night sky ; its white dwarf companion Sirius B is the hottest object among them.
No, actually -- even NASA is calling this star the "loneliest" in the universe. "The unusual object, called CX330, was first detected as a source of X-ray light in 2009," according to a NASA news ...