Free learning from The Open University http://www.open.ac.uk/openlearn/science-maths-technology/science
---
Jonti Horner talks about the history of comets and why things hitting the Earth aren't always bad. He asks if Jupiter is the big bully of...
Free learning from The Open University http://www.open.ac.uk/openlearn/science-maths-technology/science
---
Jonti Horner talks about the stars and planets you can view at sunset and in the night sky. The light from the fourth brightest star in t...
Free learning from The Open University http://www.open.ac.uk/openlearn/science-maths-technology/science
---
Jonti Horner looks at the surfaces of planets and explains why you would be crushed on the surface of Venus and experience very long days...