This resource, from the Royal Observatory Greenwich, introduces the age of the current universe and what its final fate may be.

The video answers some questions...

This resource, from the Royal Observatory Greenwich, looks at what information we can gather by viewing (but not visiting) different parts of the universe. 

The...

This resource, from the Royal Observatory Greenwich, introduces students to how our understanding of gravity has changed over time, and what this means for the gravitational field strength of different bodies in our galaxy.

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