BrainStuff

How Do Astronomers Measure Distance?

Since astronomers can't actually travel to a star, they rely on two ingenious methods to measure a star's distance from earth. Watch BrainStuff break down the science of space measurement in this episode.


Most Watched in BrainStuff

Most Watched in BrainStuff
5:06

BrainStuff: Can Computers Read Your Mind?

Most Watched in BrainStuff
3:49

BrainStuff: How Does A Duel Work?

Most Watched in BrainStuff
3:30

BrainStuff: How Do We Grow Hard Bones From Soft Tissue?

Most Watched in BrainStuff
3:55

BrainStuff: The Disease We Barely Know Anything About

Most Watched in BrainStuff
2:15

BrainStuff: BrainStuff Outtakes 02

Most Watched in BrainStuff
3:05

BrainStuff: Why Do Dogs Tilt Their Heads?

Most Watched in BrainStuff
4:01

BrainStuff: Should Animals Have Human Rights?

Most Watched in BrainStuff
4:17

BrainStuff: How Crowds Can Kill You

Most Watched in BrainStuff
2:14

BrainStuff: Does The Human Body Really Replace Itself Every 7 Years?

Most Watched in BrainStuff
3:20

How Fuel Efficient Is An Airplane?

Most Watched in BrainStuff
5:46

BrainStuff: What Happens When I Have A Hangover?

Most Watched in BrainStuff
3:44

BrainStuff: How Do Tides Work?


Recent Videos in BrainStuff

Recent Videos in BrainStuff
2:34

BrainStuff: Why Do We Itch?

Recent Videos in BrainStuff
3:55

BrainStuff: The Disease We Barely Know Anything About

Recent Videos in BrainStuff
5:06

BrainStuff: Can Computers Read Your Mind?

Recent Videos in BrainStuff
3:30

BrainStuff: How Do We Grow Hard Bones From Soft Tissue?

Recent Videos in BrainStuff
3:49

BrainStuff: How Does A Duel Work?

Recent Videos in BrainStuff
4:17

BrainStuff: How Crowds Can Kill You

Recent Videos in BrainStuff
3:39

BrainStuff: Can You Die Of Fright?

Recent Videos in BrainStuff
5:20

BrainStuff: Does Disease Have A Smell?

Recent Videos in BrainStuff
3:10

BrainStuff: Why Do So Many Price Tags End In .99?

Recent Videos in BrainStuff
4:52

BrainStuff: How Is An Autopsy Performed?

Recent Videos in BrainStuff
4:01

BrainStuff: Should Animals Have Human Rights?

Recent Videos in BrainStuff
2:07

BrainStuff: What Are Eye Boogers?