What on Earth?

Sky History 2 HD

8:00 AM to 9:00 AM

Monday 19 January

Share

Add to
Calendar

+

An extraordinary lake in Canada that may hold the key to whether life exists on Mars. Plus, a Second World War aerial photo possibly containing a coded message left by a vicious Elizabethan religious fanatic and a bizarre six-mile-long scar that appeared in the Australian Outback overnight