An amateur astronomer attempts to photograph the Triangulum Galaxy (M33M33M33) from a suburban backyard using a digital camera attached to a refracting telescope on a static photographic tripod.
The resulting raw image suffers from two major defects:
State two distinct changes the astronomer could make to their equipment or observational technique to resolve these issues and improve the image quality.
42 exam-style questions on Edexcel GCSE Physics 7.3 Stars, covering 7.3.1 Evolution of stars similar to the Sun, 7.3.2 Evolution of massive stars, and 7.3.3 Observing the Universe. Each one has a worked solution and a mark scheme showing where the marks go.