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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.
As of 2020, S4714 is the current record holder of closest approach to Sagittarius A*, at about 12.6 astronomical units (1.88 × 10 9 km), almost as close as Saturn gets to the Sun, traveling at about 8% of the speed of light.
Neither light nor particles can escape through this surface from the region inside, hence the name "black hole". Black holes can be classified based on their Schwarzschild radius, or equivalently, by their density, where density is defined as mass of a black hole divided by the volume of its Schwarzschild sphere.
The radiating matter is orbiting at 30% of the speed of light just outside the innermost stable circular orbit. [96] On January 5, 2015, NASA reported observing an X-ray flare 400 times brighter than usual, a record-breaker, from Sagittarius A*.
Full Moon in Sagittarius May 23 2024. ... Pluto, the planet of destruction and rebirth, shines a light on the fears we’d rather keep hidden. This cosmic combo is all about bringing those buried ...
In 2024, Sagittarius season officially began on Nov. 21 and will run through Dec. 21. Mesa explains that the sun will enter the Fire sign "at 2:56 p.m. EST, where it will remain until Dec. 21 at 4 ...
Mercury in Sagittarius isn’t interested in holding back or mincing words — it’s here to spark conversations that broaden our perspective and shed light on the bigger picture.