New Delhi, April 14 -- Pop icon Katy Perry, journalist Gayle King, and four other women are set to lift off on Blue Origin's next crewed mission - a suborbital flight that will take them to the edge of space. But what exactly does that mean, and how is it different from a full-fledged trip to space?

Here's everything you need to know about the brief but breathtaking journey.

The "edge of space" typically refers to the Karman line, which lies about 100 kilometers (62 miles) above Earth's surface. It's considered the boundary between Earth's atmosphere and outer space.

Jeff Bezos' Blue Origin's New Shepard rocket is designed to cross this line briefly, allowing passengers to experience weightlessness and see the curvature of the Earth. ...