Guide to Space
Messier 30 – The NGC 7099 Globular Cluster
Located approximately 26,000 light years from Earth, in the direction of the Capricornus constellation. is the globular cluster known as…
How Do Wind Turbines Work?
Wind turbines have existed for over a century, but are becoming a major focus in recent decades thanks to the…
What Are Fossil Fuels?
Fossil fuels, which are the decomposed remains of organic material, are the predominant source of energy in the modern era.
What is Alternative Energy?
Alternative energy comes in many forms, all of which are being investigated as long-term replacements for fossil fuels, coal, and…
Messier 29 – The NGC 6913 Open Star Cluster
In the northern skies, in the direction of the Cygnus constellation, lies Messier 29 - an open star cluster that…
The Canis Minor Constellation
Located in the northern skies, surrounded by the Monoceros, Gemini, Cancer and Hydra, is the constellation known as Canis Minor.
The Canis Major Constellation
Welcome back to Constellation Friday! Today, in honor of the late and great Tammy Plotner, we will be dealing with…
How Strong is the Gravity on Mars?
Martian gravity is roughly 38% that of Earth's, a fact that will have serious implications for crewed missions and even…
What is an Orrery?
For centuries, human beings have been creating mechanical models the Solar System, which today is known as an orrery,
How Strong is the Force of Gravity on Earth?
Earth's familiar gravity - which is 9.8 m/s², or 1 g - is both essential to life as we it,…