Cosmology is the study of the Macrocosm and its components, how it composed, how its has evolved and what is its future. Modern cosmology grew from conceptions afore recorded history. The term cosmology was first utilized in English in 1656 in Thomas Blount Glossographia, and in 1731 taken up in Latin by German philosopher Christian Wolff, in Cosmologia Generalis. Physical cosmology is studied by scientists, such as astronomers and physicists, as well as philosophers, such as metaphysicians, philosophers of physics, and philosophers of space and time. Because of this shared scope with philosophy, theories in physical cosmology may include both scientific and non-scientific propositions, and may depend upon postulations that cannot be tested. Cosmology differs from astronomy in that the former is concerned with the Macrocosm as a whole while the latter deals with individual celestial objects. Modern physical cosmology is dominated by the Immensely colossal Bang theory, which endeavors to assemble observational astronomy and particle physics; more concretely, a standard parameterization of the Immensely Colossal Bang with dark matter and dark energy, kenned as the Lambda-CDM model. The dawn of the 20th century brought further insights into comprehending the astronomical macrocosm. Albert Einstein proposed the coalescence of space and time in his General Theory of Relativity. In the early 1900s, scientists were debating whether the Milky Way contained the whole macrocosm within its span, or whether it was simply one of many amassments of stars. Edwin Hubble calculated the distance to a fuzzy nebulous object in the empyrean and determined that it lay outside of the Milky Way, proving our galaxy to be a diminutive drop in the Brobdingnagian macrocosm. Utilizing General Relativity to lay the framework, Hubble quantified other galaxies and determined that they were rushing away from the us, leading him to conclude that the macrocosm was not static but expanding. Albeit NASA Hubble Space Telescope is probably best kenned for its astounding images, a primary mission was cosmological. By more accurately quantifying the distances to Cepheid variables, stars with a well-defined ratio between their effulgence and their pulsations, Hubble availed to refine quantifications regarding how the macrocosm is expanding. Since its launch, astronomers have perpetuated to utilize Hubble to make cosmological quantifications and refine subsisting ones. To increase the visibility and ease of use of open access scientific and scholarly journals top online publishing journals are indexed in different indexing and archiving services. Indexing provides easy access of the article online. The top online publishing journals publish articles which are cited as references by many authors in their work. Citations are important for a journal to get impact factor. Impact factor is a measure reflecting the average number of citations to recent articles published in the journal. The impact of the journal is influenced by impact factor, the journals with high impact factor are considered more important than those with lower ones. Indexing provides easy access of the article online. The international journals are among the best open access journals in the world, set out to publish the most comprehensive, relevant and reliable information based on the current research and development on a variety of subjects.