Gathering the Dark and darkest galaxy

A) Our visualizing

We live in a variegated universe of many factors, and some we see, hear etc. With our limited vision, we detect small portions of spectrum.  According to science, at one time the cosmos was virtually all energy and light. That changed by channels of nature as they came to fore. In recent decades, many scientists determined that the lit up part of the cosmos only adds to 1%. So, on to other ways to comprehend the cosmos. To comprehend the universe better we use enhancements, x-ray, infrared, ultraviolet, gamma ray and other detectors. Things devised to help understand what we cannot see, the dark.

B) Handling Dark

B-1) Dark is part of the universe experience, part of the nature.

In addition to our usual experiences of dark, e.g. night, caves, bottom of ocean, etc. there are those we cannot readily discern.

Science attempts to understand the dark is active and is part of the composition and the active  composer. The Dark Sector: Dark Radiation, Dark Matter, Dark Energy, etc. are active, independently contributing factors, some with which are yet to be understood natures and influences of the cosmos.

For one, we have to comprehend its pervasiveness which will help understand the tendencies and how they play in the cosmos, further examples: Dark Photons. Dark Genesis, Dark Baryon, Dark Galaxies. A note on Dark Stars, so named but they use hydrogen and hence burn brightly, not dark. They are considered dark stars because it is said the source of combustion is Dark Matter.

Dark Energy, Dark Matter so far can only be inferred even though they do not interact with our electromagnetic side of the cosmos but there is detectable evidence gathered over the last 30 years, as opposed no reason to be investigated for centuries. [One current suggestion in science is that when the earlier energy cooled, then the particles like hadrons, quarks, etc. were the residue which then contributed toward the formations of what we call our cosmos which otherwise were indistinguishable.]

C) Dark Galaxies

C-!) Hard to find

Dark galaxies are difficult for science to discern. They don't all readily stand out, and are not of strong natural composition.  It takes very long periods of telescopic exposure before the dark object can be distinguished in the cosmos. They need to be distinguished from other celestial influences of tidal waves of other objects which could obscure distinct detection, although quasar light can be used to backlight the cosmos and expose presences of dim objects like dark dwarf galaxies. 

Hence, it has taken a long time to confirm them in the cosmos. Current efforts for Dark Galaxies have started by inference about 20 years ago to this composition. One paper in 2006 conjectured there could be dark galaxies. The paper was by John Davies, Disney and Minchin, also assisted by Drs. Suess, Serpico, Skelton. 

 It may be that European efforts determined the first detectable indications in 2012, although an earlier report released around  early April 2011 dealt with a dwarf dark galaxy dubbed ESO 461-36 or aka KK 246 with few unexpected characteristics.

Dark Galaxies are matter that do not or not yet ignite or light up like our visible parts do. It is assumed they mostly comprise the under developed stages of forming the cosmos. Sometimes they are grouped with under dense natures in the cosmos, like cosmic voids, share a subtle composition. They can be subject to other cosmic influences like gravity since some of their components are not dominant in comparison.

But they do have galactic dimensions. They are considered a source from which optical galaxies develop by their ingredients, usually unlit matter, gas, which lead to composing bodies even though perceived as dark. An example, near the beginning of the present month it is announced that a hiding Dwarf Galaxy has reappeared from behind the bright of a star. The Dwarf Galaxy is tabbed, 'peekaboo'. It is somewhat dim and there is question of its presence of elements. It may be a young galaxy and could be in the early stages of releasing its elements which could support galaxy growth.

C-2) Dark Dwarf Galaxy

An unexpected finding while exploring the dark cosmos was announced in February

2023. A compact, full, but dwarf sized galaxy composed of dark qualities. Emitting virtually no light at all. It is 94 million light years distant (light travels in a year just under 6 trillion miles= light year). According to the team leader, Jin-Long Xu, this is the first time a dark dwarf galaxy is located in this region of the cosmos. Part of the detecting instrumentation was the Five Hundred Aperture Spherical radio telescope and the team lists the dark galaxy as FAST J0139+4328.