Tiny SPARCS Telescope to Unlock Secrets of Stellar Flares and Exoplanets

A tiny yet powerful space telescope is set to launch next month. Developed by Arizona State University, SPARCS (Star-Planet Activity Research CubeSat) will study flares and starspots on some of the most common stars in our galaxy. Despite its compact size—small enough to fit inside a cereal box—the mission aims to gather crucial data on how stellar activity influences distant planets.

The launch is scheduled for January 11 aboard a SpaceX Falcon 9 rocket, with live coverage provided by the company. The mission marks another step in low-cost, high-impact space research.

SPARCS was built through a partnership between Arizona State University and NASA's Jet Propulsion Laboratory. The project involved both scientists and students, giving them practical experience in designing and constructing spacecraft. Its primary goal is to observe M- and K-type stars, which make up the majority of stars in the Milky Way and host most known exoplanets in the habitable zone.

By focusing on ultraviolet light—blocked by Earth's atmosphere—the telescope will track how stellar flares affect the atmospheres of orbiting planets. This data could improve models of planetary habitability and atmospheric erosion. The mission will also test new UV technologies that may support larger space telescopes in the future.

SPARCS will lift off from Vandenberg Space Force Base in California as part of a rideshare programme. It will share the rocket with two other NASA-funded SmallSats, BlackCAT and Pandora, which are designed to gather scientific data in a cost-effective way. These missions represent a growing trend in space exploration, using smaller, more affordable satellites to expand research capabilities.

The SPARCS mission will provide new insights into stellar behaviour and its impact on exoplanets. Its findings could shape future studies of habitable worlds and the development of advanced UV instruments. The launch on January 11 will be streamed live, offering a chance to witness the beginning of this innovative project.