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RD1 or 0140+326 RD1 is a distant galaxy, it once held the title of most distant galaxy known. [1]

10 relations: CL1358+62, Comoving and proper distances, Distance measures (cosmology), Epoch (astronomy), Giga-, Light-year, List of the most distant astronomical objects, Redshift, Triangulum, W. M. Keck Observatory.


CL 1358+62 (ClG 1358+62) is a galaxy cluster located at z.

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Comoving and proper distances

In standard cosmology, comoving distance and proper distance are two closely related distance measures used by cosmologists to define distances between objects.

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Distance measures (cosmology)

Distance measures are used in physical cosmology to give a natural notion of the distance between two objects or events in the universe.

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Epoch (astronomy)

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.

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Giga is a unit prefix in the metric system denoting a factor of a (short-form) billion (109 or 000).

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The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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List of the most distant astronomical objects

This article documents the most distant astronomical objects so far discovered, and the time periods in which they were so classified.

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In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum.

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Triangulum is a small constellation in the northern sky.

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W. M. Keck Observatory

The W. M. Keck Observatory is a two-telescope astronomical observatory at an elevation of 4,145 meters (13,600 ft) near the summit of Mauna Kea in the U.S. state of Hawaii.

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Redirects here:

0140 326 RD1, 0140+326 RD1.


[1] https://en.wikipedia.org/wiki/RD1

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