If Not This What? If Not Now When?

Beyond Infinity

Welcome back to Beyond Infinity. It's been a while. Today Piers discusses latest space news from Jupiter, the Moon and Mars. NASA admits it can't afford the high cost of returning the Perseverence rover's precious Mars sample tubes to Earth and is looking for help from space privateers. And SpaceX continues to develop the world's most powerful launch vehicle Starship, with a view to colonising Mars. But is this a realistic and worthwhile goal?