TED-ED: How do we study the stars? - Yuan-Sen Ting

The video explores the vastness of the universe, revealing hidden galaxies behind a thumb-sized patch of sky. It introduces astronomy as the oldest science, emphasizing its observational nature. The video explains how we learn about stars' properties through light and spectra, and how different wavelengths, like radio and infrared, provide diverse views of the universe. Astrophysicists use various telescopes to detect light across the spectrum, unveiling the universe's secrets.

What is the first thing we see when we look up at night, according to the text?

What types of light can astrophysicists study to gain a more complete picture of the universe?