The Sun circles the centre of the Milky Way at about 800,000 km/h, carrying all its planets along. One full lap, a 'galactic year', takes around 230 million years. The last time we passed this point in our orbit, the very first dinosaurs had only just appeared on Earth.
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.