As the ice melts, the pressure in the magma chambers eases and the compressed magma can expand, leading to eruptions.
They're calling for a mission to Uranus and its moons ... and Ariel were subject to geologic activity — tectonics and ice volcanoes — 100 million to 1 billion years ago.
Uranus has a truly bizarre magnetic field ... and smaller objects in the Solar System.” From the volcanoes on Io to the ...
From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...