space medium True/False

Red stars are hotter than blue stars.

  1. True
  2. False

Answer: False

In stellar classification, blue stars are the hottest (surface temperatures > 30,000 K), while red stars are the coolest (surface temperatures < 3,500 K). Color indicates temperature via Wien's displacement law.

Topic Astronomy - Stars
Exam Relevance SSC General Science, UPSC Prelims