The bold question-askers at What If explore the physical and psychological effects of skydiving from the edge of space.

Adventure seekers looking to take their Florida experience to new heights need look no further than Skydive Space Center, conveniently located just a short drive from Orlando.

As thousands of Australians took to the sky on World Skydiving Day in a bid to set a world record for the most jumps in a single day, the skies above St Kilda came alive with colour and adrenaline.