Hubble captured this image of Mars when the planet was at its closest to Earth in nearly 60,000 years. The solar system’s largest volcano, Olympus Mons, appears near the top.

Universe Calendar Observing Fascinating Cosmic Wonders
Hubble captured this image of Mars when the planet was at its closest to Earth in nearly 60,000 years. The solar system’s largest volcano, Olympus Mons, appears near the top.