Questions for “Signs of a hidden Planet Nine in our solar system may be an illusion”
![Planet Nine illustration](https://www.snexplores.org/wp-content/uploads/2021/02/021721_lg_planet-nine_feat-1030x580.jpg)
Planet Nine (illustrated) is a hypothetical giant planet hiding at the solar system’s edge. However, new work suggests the evidence for it is a mirage.
ESA/Hubble, M. Kornmesser