Trivia question of the day — Apr 7, 2026
Tuesday, April 7, 2026. Tap Show answer for the answer, explanation and source.
DIFFICULTY 62 · HARDGENERAL
Astronomers use a 'lithium test' to tell brown dwarfs apart from what?
- Neutron stars
- Red dwarf stars
- White dwarfs
- Gas giant planets
Show answer
B. Red dwarf stars
Lithium survives in cooler brown dwarfs but is destroyed in hotter red dwarfs.
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