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Sagittarius A*, abbreviated as Sgr A* (/ ˈ s æ dʒ ˈ eɪ s t ɑːr / SADGE-AY-star [3]), is the supermassive black hole [4] [5] [6] at the Galactic Center of the Milky Way.Viewed from Earth, it is located near the border of the constellations Sagittarius and Scorpius, about 5.6° south of the ecliptic, [7] visually close to the Butterfly Cluster (M6) and Lambda Scorpii.
Sagittarius A (Sgr A) is a complex radio source at the center of the Milky Way, which contains a supermassive black hole. It is located between Scorpius and Sagittarius , and is hidden from view at optical wavelengths by large clouds of cosmic dust in the spiral arms of the Milky Way.
A black hole of mass similar to that of Mount Everest, [20] 6.3715 × 10 14 kg, would have a Schwarzschild radius much smaller than a nanometre. [ citation needed ] The Schwarzschild radius would be 2 × 6.6738 × 10 −11 m 3 ⋅kg −1 ⋅s −2 × 6.3715 × 10 14 kg / ( 299 792 458 m⋅s −1 ) 2 = 9.46 × 10 −13 m = 9.46 × 10 −4 nm .
The term mass in special relativity usually refers to the rest mass of the object, which is the Newtonian mass as measured by an observer moving along with the object. The invariant mass is another name for the rest mass of single particles. The more general invariant mass (calculated with a more complicated formula) loosely corresponds to the ...
6.674 30 (15) × 10 −11 m 3 ⋅kg −1 ⋅s −2: 2.2 ... and is strongly dependent on how those units are defined. For example, the atomic mass constant ...
Venus in Sagittarius is glimmering through your 11th house, which means love and romance could blossom through your network of friends or during a spontaneous group adventure.
Venus in Sagittarius is a transit that astrologers describe as passionate-inducing. Romance goes hand-in-hand with intellectual stimulation and the ability to leave one's comfort zone.
Marking the ninth zodiac sign on the wheel, Sagittarius is a Fire sign that arrives after Scorpio and before Capricorn. It is symbolized by an archer and its season spans Nov. 22 to Dec. 21 in 2025.