Redshift

Changes in wavelength of spectral lines allow us to determine the motion of astronomical objects relative to ourselves.

Lesson 16-19

Using a group of students as light waves, it is easy to show how light can be red and blue shifted when astronomical objects...

Practical Activity 11-14

A selection of diagnostic questions to use remotely with your students whilst teaching about Earth and Space

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