
Saturn’s rings reveal it’s fuzzy inside.
NASA discovered a reservoir in space that holds the equivalent of 140 trillion times all the water in the world’s oceans.
If we were to look at the sky with a radio telescope tuned to 408 MHz, the sky would appear radically different from what we see in visible light. Instead of seeing point-like stars, we would see distant pulsars, star-forming regions, and supernova remnants would dominate the night sky.