Hot DOGs in Space? Absolutely. Did you know the early universe had hot DOGs? Not the kind you eat — we're talking about hot, dust-obscured galaxies. NASA’s retired WISE satellite uncovered about 1,000 of these cosmic beasts, located 10 billion light-years away. Shrouded in thick dust, they shine so brightly that only long-wavelength infrared light escapes. What’s going on inside? Each hot DOG hides a supermassive black hole feeding on gas and dust — all while rapidly forming new stars. So next time you grab a hot dog, just remember: the universe was cooking up something wild long before we were. Learn more: