Here we're looking at how stretching space predicts the change in recession velocity of galaxies. If you stretch a piece of...

Classroom Activity 14-16

Observations show that the stars are not uniformly distributed across the night sky, but are clustered in large collections...

Physics Narrative 11-14

Distances in the universe are so big that we use a rather unusual unit, the light year, to measure them.

Physics Narrative 11-14

A selection of videos to use remotely with your students.

Remote teaching support 11-14 14-16 16-19

Beth yw galaethau? Casgliadau enfawr o sêr yn y gofod yw galaethau. Y Llwybr Llaethog yw ein galaeth ni, ac un yn unig o’r...

Adnoddau Cymraeg 11-14