What this chapter will buildDistinguish the Universe as a whole from individual celestial objects and separate an observation, an inference, a model and an open proposal.
Start here — no earlier chapter is needed.
Questions about the Universe as a wholePlanned
This topic’s article is planned. This space will bring together explanations, worked examples, sources and connections.
Astronomy, cosmology and connected fieldsPlanned
This topic’s article is planned. This space will bring together explanations, worked examples, sources and connections.
What we observe and what we inferPlanned
This topic’s article is planned. This space will bring together explanations, worked examples, sources and connections.
Models, assumptions and useful simplificationsPlanned
This topic’s article is planned. This space will bring together explanations, worked examples, sources and connections.
Independent evidence and testable predictionsPlanned
This topic’s article is planned. This space will bring together explanations, worked examples, sources and connections.
Established findings and open questionsPlanned
This topic’s article is planned. This space will bring together explanations, worked examples, sources and connections.