Google, IBM & Meta Certificates — All 10,000+ Courses at 40% Off
One annual plan covers every course and certificate on Coursera. 40% off for a limited time.
Get Full Access
Explore fascinating methods scientists use to determine seemingly impossible-to-measure facts about Earth and space in this 12-minute educational video. Discover the ingenious techniques and calculations that allow researchers to measure distances to stars, determine the age of our planet, calculate the mass of celestial bodies, and uncover other remarkable cosmic mysteries. Learn about the scientific principles and mathematical approaches that make it possible to quantify aspects of the universe that appear beyond direct measurement, gaining insight into how human ingenuity and scientific methodology can reveal the secrets of our world and the cosmos beyond.
