puppis a造句

"' RX J0822-4300 "', often referred to as a " Cosmic Cannonball ", is a radio-quiet neutron star currently moving away from the center of the Puppis A supernova remnant at over 3 million miles per hour ( 5 400 000 km / h; 1500 km / s; ~ 0.5 % the speed of light ), making it one of the fastest moving stars ever found.
It's difficult to see puppis a in a sentence. 用puppis a造句挺难的