Multiple choice

When looking at Main Sequence stars we can say that...

  1. the brighter, the cooler

  2. the brighter, the hotter

  3. the hotter, the dimmer

  4. The redder, the hotter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

For main sequence stars, there is a direct correlation between temperature and luminosity. Hotter stars appear brighter and bluer, while cooler stars appear dimmer and redder.

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