| http://www.w3.org/ns/prov#value | - For this (transit photometry) method.There are several methods of finding an extrasolar planet.Briefly:1) Pulsar variations: If a planet orbits a pulsar, the pulsar's timing will vary in a manner that can be detected by us, and we can use 3-D trig to figure out relevant parameters such as mass and radial distance.2) Doppler shift of a star's emission lines: If a planet orbits a solar-type star, we
|
