In 2017, astronomers watched two neutron stars merge 130 million light-years away. The blast, called a kilonova, forged heavy elements such as gold and platinum, an estimated several Earth masses' worth. These collisions are thought to be one of the main sources of gold in the Universe, possibly including the gold in your ring.
A large share of Earth's water molecules formed in the interstellar cloud that existed before the Sun was even born, more than 4.6 billion years ago. You are literally drinking a cosmic fossil.
By day, the Martian sky looks butterscotch because of fine dust hanging in the air. But at dusk, those same grains scatter blue light forward, creating a bluish glow around the Sun. Rovers have photographed these blue sunsets: the exact reverse of what we see on Earth.