The farthest light has traveled is 13.8 billion light years from Earth, which is the observable edge of the observable universe.
The end of space is not clearly defined as space is thought to be infinite. The observable universe has a boundary known as the observable horizon, which is the farthest we can see, but it is not the end of space itself.
Oh, that's a magical question, isn't it? The estimated radius of the observable universe is about 46.5 billion light-years. It's quite a wondrous thought to imagine just how vast and colorful our universe truly is.
Space does not have an "end" like a physical boundary. It is infinite and expanding. As of now, the observable universe is about 93 billion light-years in diameter, but there is no known edge to space.
Surrounding space refers to the environment or area that surrounds a particular object or location. It can include the atmosphere, other objects in proximity, or anything that is around the specified area.
observable ? i'd say quarks.
Explanations must be Consistent. The explanation for one set of phenomena cannot contradict the explanation for other sets of phenomena. If explanations are inconsistent, they must be rectified or abandoned. Explanations must be Testable. Explanations must be examined in laboratories, in nature, in the field or through the study of past events and must be capable of shown to be incorrect. If they are incorrect they must be changed or abandoned. Preferred Explanations should be Elegant (Simple). Explanations that require the invention of the fewest "missing pieces" have the greatest reliability. Explanations cannot include pieces that are either inconsistent with what is already known or that are untestable.
Explanations must be Consistent. The explanation for one set of phenomena cannot contradict the explanation for other sets of phenomena. If explanations are inconsistent, they must be rectified or abandoned. Explanations must be Testable. Explanations must be examined in laboratories, in nature, in the field or through the study of past events and must be capable of shown to be incorrect. If they are incorrect they must be changed or abandoned. Preferred Explanations should be Elegant (Simple). Explanations that require the invention of the fewest "missing pieces" have the greatest reliability. Explanations cannot include pieces that are either inconsistent with what is already known or that are untestable.
A visually observable trait is known as a Phenotype.
There are an estimated 1011 (100 billion) galaxies in the observable Universe. It is not known how much bigger the Universe is, compared to the observable part.
Behavioral evidence.
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The farthest light has traveled is 13.8 billion light years from Earth, which is the observable edge of the observable universe.
It's because its structure and behavior are not directly observable.
The astronomical list of all observable stars is known as a star catalog or star catalogue. This catalog typically includes information such as the star's position in the sky, brightness, and spectral type.
mike hunt
The observable Universe has a diameter estimated at 93 billion light-years.