BBC4 年
The life cycle of stars - Higher
The life cycle for a particular ... a small star like the Sun may begin to contract under the pull of gravity. In this instance, the star becomes a white dwarf which fades and changes colour ...
BBC3 年
The life cycle of stars - Higher
The life cycle for a particular ... a small star like the Sun may begin to contract under the pull of gravity. In this instance, the star becomes a white dwarf which fades and changes colour ...