Home > Subjects > Science > Level 2 > 2.7 Stars > Subject content
- Subject: Science
- AS: AS90764
- Level: 2
- Credits: 2
- External
Science 2.7 Describe the nature and life cycle of stars
Subject content
Make sure you have up-to-date course notes and don’t forget to use them. If you haven't got them see your teacher.
This achievement standard requires you to describe the nature of stars, that is, you will need to know different types of stars and their characteristics.
Characteristics could include:
- colour
- temperature
- size
- mass
- luminosity
- spectral type
- the relationships between the characteristics as shown by the Hertzspring Russel (HR) diagram.
The life cycle of stars will be based on the currently accepted scientific theories on life cycles and formation of stars.
Check out the BBC's Science and nature series of Space: Stars.

