What is the fine-grained topic of the following text: (380 kilograms) HySIS satellite, whose main goal "is to study the Earth's surface in the visible, near-infrared and shortwave-infrared regions of the electromagnetic spectrum," officials with the Indian Space Research Organisation (ISRO) wrote in a statement after the successful launch. Only return the topic.
The launch and purpose of the HySIS satellite by the Indian Space Research Organisation (ISRO)