Celestial Sphere
In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth. All objects in the sky can be conceived as being projected upon the…
General
Messier 15 Great Pegasus Cluster
With over 100,000 stars and an age of 12 billion years old, Messier 15 the Great Pegasus Cluster is a magnificent sight to see. This globular cluster is one of the densest ever discovered, with…
Double Stars
In observational astronomy, a double star or visual double is a pair of stars that appear close to each other as viewed from Earth, especially with the aid of optical telescopes. The first double stars…
Climate Change And Politics
We have talked about the importance of greenhouse gases in a previous article. That said, what does politics even have to do with climate change? Why does it even matter? The reason that climate change…
Messier 14
Messier 14 is a globular cluster that is 13 billion years old with 150,000 stars, located in the southern constellation Ophiuchus. DescriptionVisible From Pacific NorthwestMay, June, and JulyBest Time To ObserveJulyMinimum Size Of Viewing DeviceTelescopeObject…
CubeSats
A CubeSat is a type of miniaturized satellite for space research that is made up of multiples of 10 cm × 10 cm × 11.35 cm cubic units, which is roughly the size of ~ 4 in × 4 in ×…
Messier 13 Hercules Globular Cluster
Messier 13 is a wonderful globular cluster to view during the summer months. Famously, Messier 13, the Hercules Globular Cluster was the target of the Arecibo message, sent in 1974, which contained information about the…
Space Policy: An Introduction
Space policy can be defined as the political decision-making process for, and application of, public policy of a state regarding spaceflight and uses of outer space, both for civilian, scientific and commercial, and military purposes. This is significantly…
The Overview Effect
The term and concept of the “Overview Effect” were coined in 1987 by Frank White, who explored the theme in his book The Overview Effect — Space Exploration and Human Evolution. That said, Frank White was not the…
Messier 12
Messier 12 is located 15,700 light-years from Earth in the constellation Ophiuchus with an apparent magnitude of 7.7 and can be observed with a pair of binoculars most easily in July. Come learn about how…