How we measure the universe's expansion (3 independent methods)
@pbsspacetime · 15:00
Scored 93/100 on substance — among the top 5% indexed for Cosmology & Astrophysics. Heavy use of primary sources and explicit reasoning chains.
Key takeaways
- Key claim is supported with on-screen evidence (data, citations, or worked examples)
- Avoids the most common shallow framing of the topic
- Specifically covers: how we measure the universe's expansion (3 independent methods)