Continent-Wide Telescope Brings Galactic Black Hole into Focus
Continent-Wide Telescope Brings Galactic Black Hole into Focus
Gains in resolution may provide proof of black hole's existence
By JR Minkel
Astronomers used a "virtual" telescope spanning more than 2,800 miles (4,500 km) to home in on Sagittarius A* ("A-star"), the light source believed to mark the location of a black hole four million times as massive as the sun. [more]