New photos by NASA's New Horizons spacecraft show Pluto in tantalizing detail, whetting researchers' appetite for the probe's highly anticipated flyby of the dwarf planet next week.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.
