1 / 16✕
How can there be ice on Mercury, the planet closest to the Sun?
Mercury's equator reaches 420°C in sunlight, yet radar and the MESSENGER probe found water ice hiding in its polar craters.
Tap to go on, or swipe →
Mercury's equator reaches 420°C in sunlight, yet radar and the MESSENGER probe found water ice hiding in its polar craters.
Tap to go on, or swipe →