Getting a Spacelift — I need my space… but oh, how to get there? Whether it’s a mission to Mars or an ascent to an asteroid, we explore the hows of human spaceflight. Also, the whys, as in, why send humans to the final frontier if robots are cheaper? Neil deGrasse Tyson weighs in. Plus, the astronaut who lived on the ocean floor training for a visit to an asteroid. Also, the 100YSS – the 100 Year Starship project – and interstellar travel. And, as private rockets nip at NASA’s heels, meet one of the first tourists to purchase a (pricey) ticket-to-ride into space.
In science fiction it’s easy to hop into your spaceship and blast off for other stars. But the true distances between stars, and the limits of relativity make interstellar travel almost impossible with our current technology. What would it really take to travel from star to star, exploring the galaxy?
All the latest science news, in-depth features, games and conversations as they happen from around Australia and the world.
Dr Karl jets off to Cape Canaveral for a space shuttle launch. Plus: how do space elevators work?; and what is the possibility of humanity travelling beyond our solar system?
Physics & The Big Questions — How can something come out of nothing? Believe it or not, some scientists say they can explain how the Big Bang popped out of empty space. We’ll explore the cutting edge of physics and consider what it means for religion and the meaning of life.