WASHINGTON - The U.S. space agency launched a telescope into space Wednesday that is designed to seek out and study black holes, those still-mysterious celestial bodies that scientists believe lie at the heart of every massive galaxy, including our own Milky Way. Their gravitational pull is so intense that not even light can escape from them. As gas, dust and stars are sucked in, the material accelerates and heats up, generating powerful X-ray light emissions. To further study ...
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