Ep. 100: Rockets

To move around in space, you need some kind of propulsion system. And for now, that means rockets. Let's learn the underlying science of rockets, and how they work. And learn why a rocket will never let us reach the speed of light. Ep. 100: Rockets

Ep. 95: Humans to Mars, Part 2 – Colonists

After astronauts make the first tentative steps onto the surface of Mars, a big goal will be colonization of the Red Planet. The first trailblazers who try to live on Mars will have their work cut out for them, being in an environment totally hostile to life. What challenges will they face, and how might they overcome them? Ep. 95: Humans to Mars, Part 2 - Colonists

Ep. 92: Missions to Mars, Part 1

With last month's safe arrival of the Phoenix Mars Lander, Mars enthusiasts breathed a collective sigh of relief... phew. Now it's time to search for evidence of organic molecules in the ice at Mars' north pole. But this is just the latest in a long series of missions sent to the Red Planet. Let's have a history lesson, and look back at the missions sent to Mars, successful and unsuccessful. Episode 92: Missions to Mars, Part 1

Ep. 84: Getting Around the Solar System

Have you ever wondered what it takes to get a spacecraft off the Earth and into space. And how managers at NASA can actually navigate a spacecraft to another planet? And how does a gravity assist work? And how do they get them into orbit? And how do they land? So many questions... Episode 84: Getting Around the Solar System