Challenge:

Listen to the podcast and see if you can tell which is a black hole colliding and how close or far away it is. Did you get them right?

Then look up information about a black hole or LIGO and draw a picture of gravitational waves or a black hole.

With your parent’s permission, send us your drawing

Send us a picture  or share with us on our Twitter , Instagram or Facebook page and you’ll automatically be entered to win a copy of the book on the episode page!