milky way galaxy
Messier 4 (M4) – The NGC 6121 Globular Cluster
During the late 18th century, Charles Messier began to notice that a series of “nebulous” objects in the night sky…
The Andromeda Constellation
In the 2nd century CE, Greek-Egyptian astronomer Claudius Ptolemaeus (aka. Ptolemy) compiled a list of the then-known 48 constellations. His…
The Sun
The Sun has always been the center of the Universe for humanity. However, the nature, composition and lifespan of the…
One of the Milky Way’s Arms Might Encircle the Entire Galaxy
Given that our Solar System sits inside the Milky Way Galaxy, getting a clear picture of what it looks like…
What is the Milky Way?
When you look up at the night sky, assuming conditions are just right, you might just catch a glimpse of…
Astronomers Find a “Spine” Along Spiral Arms of the Milky Way
Astronomers have found what may be considered a piece of a galactic skeleton; a dark structure of gas and dust…
The Milky Way Galactic Disk – Forever Blowing Bubbles
[/caption] Score another one for citizen science! In a study released just days ago, a new catalog containing over five…
A New Look at the Milky Way’s Central Bar
[/caption]You may have heard about the restaurant at the end of the Universe, but have you heard of the bar…
The Hercules Satellite – A Galactic Transitional Fossil
[/caption] On Friday, I wrote about the population of the thick disk and how surveys are revealing that this portion…
What Galaxy is the Earth In?
[/caption] Were you wondering what galaxy is the Earth in? You'll probably recognize the answer: it's the Milky Way Galaxy.…