Introduction
This article will discuss the stars and constellations that decorate our skies when everything becomes dark. Our sky is beautiful, but it is also a complex structure that is constantly operating and working. The previous article that I wrote about astronomy was just a bunch of information that I was throwing at you to get you familiar with the concepts. However, this article will be more in-depth and really just focus on the specific information of stars and their respective constellations.
Constellations
Constellations are groups of stars that come together and appear to form an image. We interpret stars as part of constellations for our mind to understand, but stars are not inherently part of one constellation or another. In ancient times, the constellations were the brightest groups of stars used to represent Greek heroes and mythological creatures that were cherished by communities. There were stories about each constellation relative to their position in the sky that each generation handed down to their descendants and so forth. The constellations were given their original names 5,000 years ago but were renamed in 1928. That same year, astronomers reevaluated the constellation boundaries, which until that point, were only approximate. Due to that redefinition, 88 official constellations are now well-defined in specific regions, regardless of if there are separate bright stars within these spaces. However, constellations and stars are moving and changing every year, so there may be a need for another redefining at some point in the future. Stars in constellations are named by a Greek letter relating to their brightness (α or β as examples) within their constellation and the name of their constellation. (Betelgeuse = α Orionis, for instance).
The stars of constellations actually aren’t as close as we would think that they are. We only see them as close together due to the projection effect of the sky that flattens the plane of the sky out. The stars within constellations actually could be at various distances away from Earth and from each other.
Conclusion (A.N)
Thank you for reading about constellations and allowing me to share my knowledge with you. I will continue to learn and share my knowledge about the sky as opportunities arise. As winter approaches, be sure to look for Sirius, Betelgeuse, and Rigel, bright stars within constellations that are only visible during these cold months.
Thank you to Jasmine G. for editing this article!