Changes

The science of [[Astronomical object|celestial objects]] and [[phenomena]] that originate outside the [[Earth's atmosphere]].

The science of [[Astronomical object|celestial objects]] and [[phenomena]] that originate outside the [[Earth's atmosphere]].

==== [[Physical Cosmology]][http://nordan.daynal.org/wiki/index.php?title=Physical_Cosmology] ====

==== [[Physical Cosmology]][http://nordan.daynal.org/wiki/index.php?title=Category:Physical_Cosmology] ====

[[Cosmology]], Gr.κοσμολογία the quantitative study of the [[universe|Universe]]

[[Cosmology]], Gr.κοσμολογία the quantitative study of the [[universe|Universe]]