Crux

Crux

Centered on 4 stars a bright portion of the Milky Way in the Southern Hemisphere skies, the constellation Crux is one of the most easily distinguished constellations in the sky. As each of these 4…



Norma

Norma

Created in the 18th century by French astronomer Nicolas-Louis de Lacaille, Norma is a small constellation in the southern celestial hemisphere that exists between Ara and Lupus. Lacaille created 12 constellations during this time period, which included Norma, and Norma is…


Europe Top 5 Impact Craters

Top 5 Largest Impact Craters In Europe

With over 190 confirmed impact craters having hit Earth, there are a plethora of interesting discoveries! A good example of this being that scientists can roughly determine the age of an impact based upon the…


Oregon dark skies

Oregon Dark Sky Brightness Update #7

Every few months, the IDA Oregon Chapter puts out their most recent report about how the previous few months have progressed from a light pollution perspective. We previously covered the 6th report, therefore, with the…



Triangulum Australe

Triangulum Australe

Located in the southern celestial hemisphere, Triangulum Australe is a small constellation. The name is Latin for “the southern triangle”, which distinguishes it from the northern sky constellation Triangulum. Triangulum Australe is derived from the almost equilateral pattern of its three brightest stars….



Asia Impact Craters

Top 5 Largest Impact Craters In Asia

With over 190 confirmed impact craters having hit Earth, there are a plethora of interesting discoveries! A good example of this being that scientists can roughly determine the age of an impact based upon the…


Hydrus

Hydrus

Located in the Southern Sky, Hydrus is a small constellation created by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. It first appeared on a 35-cm diameter celestial globe published in late 1597 in Amsterdam, and was…