// todo need optimize like in event.jsp. Add indexing or not indexing this page. Leavitt's life (1 Jan 1868 Jahr – 1 Jan 1921 Jahr) (Band der Zeit)

Leavitt's life (1 Jan 1868 Jahr – 1 Jan 1921 Jahr)

Beschreibung:

Leavitt discovered the relationship
between the intrinsic brightness of a variable
star and the time it took to vary in brightness,
making it possible for others to estimate the
distance of those faraway stars, conclude that
additional galaxies exist, and begin mapping the
Universe.