This is the End Image from APOD Image from APOD (credit and copyright Michael Wilson) Artists conception of Xenia and the Solar System…100AU from Sun.
Recall the Doppler Method The doppler method of finding planets.
Julian Chela-Flores Julian Chela-Flores The Abdus Salam ICTP, Trieste, Italia and Instituto de Estudios Avanzados, Caracas, Instituto de Estudios Avanzados,
