Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

We'll see six planets – Mars, Jupiter, Uranus, Neptune, Venus and Saturn – but not all of them will be visible to the naked eye. You'll need high-powered binoculars or a telescope to see ...

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.