Answer by James K for IAU 2018 Exoplanet definition
"What" is straightforward: L4 and L5 are two points on an orbit that are 60 degrees ahead and 60 degrees behind the planet, and so move as the planet orbits. If the planet is less than about 1/25 of...
View ArticleIAU 2018 Exoplanet definition
In 2018 the IAU produced a definition of an exoplanet:The current official wokring definition of an exoplanet as amended by IAU Comission F2: Exoplanets and the Solar System in August 2018, reads as...
View Article
More Pages to Explore .....
