What tiered approach do scientists use to tackle the vast scale of cosmic distances?

Answer

Cosmic distance ladder

Scientists employ a tiered approach, often referred to as the cosmic distance ladder, where reliable techniques for nearby objects calibrate less direct techniques for farther ones.

What tiered approach do scientists use to tackle the vast scale of cosmic distances?

#Videos

How Scientists Measure The Distance To Stars and Galaxies

measurementastronomyDistancestarsparallax