Astronomers from Oxford University in the UK have observed this rocky exoplanet covered in an ocean od water with substantial prozen deposits of carbon dioxide. The planet orbits a cool red dwarf....

Astronomers from Oxford University in the UK have observed this rocky exoplanet covered in an ocean od water with substantial prozen deposits of carbon dioxide. The planet orbits a cool red dwarf....

Illustration showing the evolution of the interior of the planet Mars. At the start of the sequence (left) Mars has a silicate magma ocean (orange) and metallic core (yellow). The second panel shows the core has evolved into a solid inner core and a ...

Illustration showing the evolution of the interior of the planet Mars. At the start of the sequence (left) Mars has a silicate magma ocean (orange) and metallic core (yellow). The second panel shows the core has evolved into a solid inner core and a ...

Illustration showing the evolution of the interior of the planet Mars. At the start of the sequence (left) Mars has a silicate magma ocean (orange) and metallic core (yellow). The second panel shows the core has evolved into a solid inner core and a ...

This is a composite of several sequences I did for Dave Brody at Magellan TV, for a documentary entitled Mars Calling. The brief was to show Mars transitioning from a watery planet to a dry one. I have no doubt Mars once had significant bodies of wat...

... vity on Earth, its crust was beginning to cool and its heat flow was far greater. The composition of both the atmosphere and oceans were very different. The columnar formations in the sea are stromatolites. These formed from the precipitation of calc ...

... vity on Earth, its crust was beginning to cool and its heat flow was far greater. The composition of both the atmosphere and oceans were very different. The columnar formations in the sea are stromatolites. These formed from the precipitation of calc ...