Tag Archives: milky way

Astronomers Capture First-Ever Image of a Supermassive Black Hole

At the center of a galaxy called Messier 87, about 55 million light-years away, about which all of the matter of the galaxy orbits, there lies a monster: a supermassive black hole. With about 6.5 billion times the mass of the sun, the black hole at the center of M87 is so dense that its escape velocity, or the velocity needed to escape the object’s gravity, is more than the speed of light. Accordingly, not even photons of light can escape once they wander too close.

Continue reading Astronomers Capture First-Ever Image of a Supermassive Black Hole

Astronomers Accidentally Discover a Hidden Galaxy Right Next Door

While inspecting a known globular cluster, a team of astronomers began to notice that some of its stars didn’t seem to belong. Investigating further, they realized the anomalous stars were part of a nearby galaxy—one previously unknown to us.

Science works in mysterious ways. Continue reading Astronomers Accidentally Discover a Hidden Galaxy Right Next Door