Cracks on Pluto's moon Charon may be evidence of a frozen subsurface ocean

The icy volcanism of Pluto's moon Charon may be driven by an internal frozen ocean erupted through a thin shell.

Cracks on Pluto's moon Charon may be evidence of a frozen subsurface ocean
The icy volcanism of Pluto's moon Charon may be driven by an internal frozen ocean erupted through a thin shell.