The table lists data about four different stars.
| Star | Main elements in the star | Regions of the electromagnetic spectrum where most energy is radiated by the star |
|---|---|---|
| A | hydrogen, helium, carbon, oxygen | ultraviolet, blue, X-ray |
| B | hydrogen, helium | ultraviolet, visible, infrared |
| C | hydrogen, helium, magnesium, silicon | red, infrared |
| D | hydrogen, helium | red, infrared |
Which star is most likely a cool, low-mass red dwarf star (such as Proxima Centauri)?
Star A
Star B
Star C
Star D
25 exam-style questions on CIE IGCSE Physics 6.2.2a Galaxies and astronomical distances. Each one has a worked solution and a mark scheme showing where the marks go.