This star is just a sliver larger than Saturn, not even the largest planet in our solar system.Yet it's massive enough to shine as a star, and its pull of gravity is some 300 times stronger than Earth's.
In hot Houston, the telescope hangs in historic Chamber A at Johnson Space Center, with the best air conditioning available. It'll soon receive a last test of its ability to withstand the cold of space.
The Cassini spacecraft is on the verge of running out of fuel. It's in its final year in orbit around Saturn. But it's still producing heart-stirring images.
