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Epoch (astronomy) and NGC 147

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Epoch (astronomy) and NGC 147

Epoch (astronomy) vs. NGC 147

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time. NGC 147 (also known as DDO3 or Caldwell 17) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia.

Similarities between Epoch (astronomy) and NGC 147

Epoch (astronomy) and NGC 147 have 1 thing in common (in Unionpedia): Constellation.


A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

Constellation and Epoch (astronomy) · Constellation and NGC 147 · See more »

The list above answers the following questions

Epoch (astronomy) and NGC 147 Comparison

Epoch (astronomy) has 63 relations, while NGC 147 has 28. As they have in common 1, the Jaccard index is 1.10% = 1 / (63 + 28).


This article shows the relationship between Epoch (astronomy) and NGC 147. To access each article from which the information was extracted, please visit:

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