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Monday, March 27, 2023

Delving into the Cosmos: A Groundbreaking Logarithmic Map of the Observable Universe


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Map of the Observable Universe
In the realm of scientific discovery, it is widely held that humans have merely unveiled a scant 5% of the vast universe. Despite this limited understanding of the cosmos, we have impressively managed to identify galaxies situated billions of light-years from our home planet, Earth. This groundbreaking achievement is represented in the first-ever logarithmic map of the entire observable universe.


Universe Distances: An Insightful Map

Credit: Pablo Carlos Budassi

It is essential to emphasize that the celestial bodies depicted in this map are not presented to scale. If the map were designed proportionally to the dimensions perceived from Earth, the majority of objects would resemble tiny specks, with the exception of the Moon, the Sun, and select nebulae and galaxies.


Furthermore, the map illustrates the distances of objects from Earth on a logarithmic scale, which expands exponentially to encompass all available data. Within our solar system, the map's scale uses astronomical units (AU), representing the approximate distance between Earth and the Sun. The scale then advances to parsecs, each corresponding to 3.26 light-years or 206,000 AU.



For millennia, humankind has harbored a fascination for the cosmos, prompting numerous scholars and investigators to devote their existence to the pursuit of augmenting our shared comprehension of outer space and the universe.


The majority of individuals recognize Albert Einstein and his theory of relativity, which established itself as a fundamental tenet within the realms of both physics and astronomy. Another eminent scientist, Edwin Hubble, is celebrated for his discovery of galaxies receding from Earth, a revelation regarded as the inaugural observation of the universe's expansion.


Nevertheless, the immense logarithmic map above, as well as any terrestrial observations or data gathered from spacecraft, remain inherently constrained. Presently, the universe is estimated to be approximately 13.8 billion years old, and no entity within it can surpass the velocity of light.


Taking into account the universe's expansion and the observed celestial bodies drifting away from us, it is deduced that the utmost distance we can "perceive" is presently calculated to be around 47.7 billion light-years. Furthermore, considering the time required for light to traverse these vast distances, a substantial portion of our observations in truth transpired countless eons ago.


Yet our grasp of the universe continues to be in a perpetual state of evolution, spurred on by new discoveries. What marvels shall we unearth in the future?


Written by Chatsonic


Sources: Visual Capitalist 


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