Crowdscience

What do scientists think is outside our universe? Asks Rebecca Standridge from San Francisco in the US. It’s a question which goes right to the limits of human understanding.We look for the answer using balloons, bubbles and the world’s oldest radio telescope.If you have a question about science that you'd like us to investigate email crowdscience@bbc.co.uk.Photo: Lovell telescope Jodrell Bank