astronomy essentials

Meteors in annual showers have a radiant point, a point in the sky from which all the meteors appear to radiate, marked by an O in this image from Wikimedia Commons. Meteor showers have a radiant point Many times each year, when Earth…

The sun is one of the top 10 space objects to see during the day. Image via EarthSky Facebook friend Janet Furlong. What are the top 10 space objects to see during the day? Some are easy, others are more challenging. Here is our list of…

<!-- -- Artist’s concept of quasar J0313-1806, currently the most distant quasar known. Quasars are highly luminous objects in the early universe, thought to be powered by…