![]() The distance from the black hole to Earth is estimated to be between 26 – 27,000 light-years or around 160 quadrillion miles away. Sgr A* is located at the center of the Milky Way. Astronomers have also measured the diameter of Sgr A* and determined that it is about 27 million miles wide, which is similar to the distance between the Sun and Mercury. A black hole is considered supermassive if it has a mass greater than one million times that of the Sun. The mass of Sgr A* classifies it as a supermassive black hole. It is estimated to have a mass more than four million times that of the Sun. Sgr A* is relatively small compared to other known black holes. It is believed to have formed from the explosion of a star. Sgr A* was originally discovered by astronomers Robert Brown and Bruce Balick in the 1970s. Its name comes from its position near the border between the constellations Sagittarius and Scorpius. Sgr A* is the name of the black hole at the center of the Milky Way galaxy. ![]() While this isn’t the first black hole to be photographed, the images of Sagittarius A* will provide scientists with tons of new information about our galaxy and universe. Most galaxies have black holes at their centers, and recently, astronomers were able to capture the first images of Sagittarius A* (pronounced Sagittarius A-star), the black hole at the center of the Milky Way. Black holes are impossible to see with the naked eye and nearly impossible to detect without special telescopes and equipment. This theoretical “point of no return” is known as the event horizon. In fact, the gravity of black holes is so strong that nothing can escape them-not even light. Black holes are areas in the universe that have immensely strong gravitational pulls. One of the biggest mysteries of our universe is the existence of black holes. Authored by: Dominique Jenkins | Communications Intern
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