Representative Schematic (IMAGE) Science China Press Caption This is a representative schematic of the high-altitude balloon in near space (perovskite solar cells were fixed on the control platform). Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.