Summary:
- The article discusses a red giant star named V1298 Tau, which is located about 800 light-years from Earth and is much larger than our Sun.
- Observations using the Hubble Space Telescope have revealed that this red giant star has massive starspots, some of which are larger than the entire diameter of our Sun.
- These starspots are believed to be caused by the star's intense magnetic activity, which is far more powerful than the Sun's, and they provide insights into the behavior of these types of large, evolved stars.