Questions: . Panellists: Brian Cox, Particle Physicist and TV Presenter; Emma Johnston, Marine Ecologist and TV host; David Karoly, Leader of the Earth Systems and Climate Change Hub, CSIRO; Kirsten Banks, Astrophysicist and Science Communicator; and Martin Van Kranendonk, Astrobiologist and Geologist.
| Name | Type | Role | |
|---|---|---|---|
| Martin Van Kranendonk | Guest Star | ||
| Emma Johnston | Guest Star | ||
| Professor Brian Cox | Guest Star | ||
| Kirsten Banks | Guest Star |