Introduction

AstroPhotons delivers a featured photo of the deep Universe to your phone and pad every day. Mysterious messages carried by photons from the deep sky are unveiled and explained by professional astronomers. 

The fascinating pictures are streaming from the official website, Astronomy Picture of the Day, maintained by NASA. Traditional Chinese translation is attributed to Prof. Han-Tzong Su at NCKU. 

AstroPhotons compiles a collection of eye-catching images in one place, making an enjoyable viewing experience on various sizes of screens. The main features are as follows. 

Overview - show me many images in one glimpse

Calendar - I want a month of pictures

Details - wanna do research with explanations, keywords, and references?

Sharing - wanna share your excitement? 

Widget - never missing the picture of the day, and update images randomly!

Searching - being professional!

GoTo - date back to .......