Thinkstock
Dip into insights from OU academics. Watch, listen, debate, play and discover more about your passions. Read more : Explore
The Open University
Take the next step with our LearningSpace - packed with thousands of hours of free OU course materials. Read more : Try
Thinkstock
Turn your passion into a career changing qualification - study in depth with the UK's most flexible university. Read more : Study
Discover the latest about your passions - Sign In or Register and start a personal tag cloud.
Galaxies apart: Join the debate
Comment posted by ajn3
30 Sep 2010
Thanks George - some really excellent ideas here. I agree that Solar sails must be humanity's 'next step' in interstellar travel. From there to self-replicating machines and spanning the Galaxy... Read more : Galaxies apart: Join the debate
Galaxies apart: Join the debate
Comment posted by zz545859
29 Sep 2010
These distances might set you thinking about whether it will ever be possible for humans to travel to other stars in our galaxy, just like they do in Star Trek. What do you think? Can you see a way... Read more : Galaxies apart: Join the debate