Multiple choice

Who among the following developed the technique for measuring the distances of distant stars?

  1. Christian Doppler

  2. Edward Pickering

  3. Henrietta S. Leavitt

  4. Friedrich W. Bessel

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Henrietta Swan Leavitt discovered the relationship between the luminosity and the period of Cepheid variable stars, which allowed astronomers to measure distances to distant stars and galaxies.