Table shows the distance from the Earth and the speed of recession for four galaxies.
Table
| Galaxy | Distance from the Earth in millions of light years | Speed of recession in km/s\text{km/s}km/s |
|---|---|---|
| R | 50 | 1100 |
| S | 150 | 3400 |
| T | 300 | 6600 |
| U | 600 | 13 200 |
Use Table to describe the relationship between the distance of a galaxy from the Earth and its speed of recession.
Give which galaxy in Table shows the largest red-shift.
Give the name of the type of exploding star that has been used since 1998 to study very distant galaxies.
41 exam-style questions on AQA GCSE Physics 8.2 Red-shift, covering 8.2 Red-shift. Each one has a worked solution and a mark scheme showing where the marks go.