Sentence examples for active galaxy from inspiring English sources

The phrase "active galaxy" is correct and usable in written English.
It is typically used in the context of astronomy to describe a galaxy that is currently undergoing significant processes such as star formation or exhibiting high levels of energy output, often due to the presence of a supermassive black hole.
Example: "The Hubble Space Telescope has provided valuable insights into the characteristics of the active galaxy known as M87."
Alternatives: "luminous galaxy" or "energetic galaxy".

Dictionary

active galaxy

noun

A galaxy where a significant fraction of the energy output is not emitted by the normal components of a galaxy.

Exact(36)

X-ray jet extends from active galaxy toward hot spot.

Harvard University

An active galaxy approximately 50 million light years from Earth.

Harvard University

This is a very active galaxy known as a Seyfert galaxy.

The Guardian

A powerful jet in an active galaxy located about 11 million light years from Earth.

Harvard University

An active galaxy located about 11 million light years from Earth in the constellation Centaurus.

Harvard University

This DSS optical image shows a wider field of view of active galaxy NGC 1068.

Harvard University

Similar(24)

Active galaxies show especially violent activity, usually near the centers of the galaxies.

Harvard University

Since the Hubble sequence is entirely based upon visual morphological type, it may miss certain important characteristics of galaxies such as star formation rate in starburst galaxies and activity in the cores of active galaxies.

Wikipedia

Active Galaxy Evolution Evolutionary links between normal galaxies and active galaxies are more robust, though they, too, are hotly debated.

Harvard University

Galaxy mergers: No link to active galaxies?

Nature

Quasars are extreme examples of active galaxies.

Harvard University

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