<p>The barred spiral galaxy NGC 1097 has a <a href="http://news.nationalgeographic.com/2015/04/150422-black-holes-cosmos-gravity-collision-quasar-space-science/">supermassive black hole</a> at its center (pictured). How supermassive? It's 140 million times the mass of our sun. Researchers believe black holes are key to understanding the evolution of galaxies.</p>
Golden Glow
The barred spiral galaxy NGC 1097 has a supermassive black hole at its center (pictured). How supermassive? It's 140 million times the mass of our sun. Researchers believe black holes are key to understanding the evolution of galaxies.
- Week's Best Space Pictures
Week's Best Space Pictures: A Satellite Burns Up
In the latest images of our universe, stars collide and a satellite goes up in smoke.
Feed your need for heavenly views of the universe with our picks of the most awe-inspiring space pictures. This week, researchers discover a supermassive black hole throwing a 50-million-year long tantrum and NASA checks up on a delta in a Louisiana lake.
