Moon phases occur with a period equal to the synodic period of the moon, equal to 29.530589 days, or 29 days, 12 hours, 44 minutes, 3 seconds. However, there is a great deal of variation in the actual time for a given lunation (the time between two successive new moons). The phase of the moon is determined by its position relative to the Sun (which illuminates the side of the Moon facing it) and the Earth (from where the Moon is observed). Moonrise and moonset times correspond directly to the
Moon -- from Eric Weisstein's World of Astronomy
THE SUN AND SOLAR SYSTEM
Mercury (planet) - Wikipedia
Neutron star - Wikipedia
What is a blue moon? Is the moon ever really blue?
How to convince someone that the sun is a star - Quora
What is a blue moon? Is the moon ever really blue?
Sunrise -- from Eric Weisstein's World of Astronomy
Date of Easter - Wikipedia
On The Revolutions of Heavenly Spheres by Nicolaus Copernicus
Visual radiation astronomy - wikidoc
Does the weight of everything on Earth slow the rotation? - Quora
How to convince someone that the sun is a star - Quora
Harvest moon, Description & Facts