Current time:0:00Total duration:5:49

0 energy points

# How we know about the earth's core

S-wave shadow and P-wave detection patterns give us information about the core. Created by Sal Khan.

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# How we know about the earth's core

Current time:0:00Total duration:5:49

0 energy points

S-wave shadow and P-wave detection patterns give us information about the core. Created by Sal Khan.